Home / 37,181.72-51,330.77-28,665.18

Finding the Fourth Proportional to 37,181.72, 51,330.77 and 28,665.18

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Solution

The fourth proportional to 37,181.72, 51,330.77 and 28,665.18 is: 39,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,181.72 : 51,330.77 = 28,665.18 : x
  2. Step 2: Convert to fraction form
    37,181.72/51,330.77 = 28,665.18/x
  3. Step 3: Cross multiply
    37,181.72x = 51,330.77 × 28,665.18
  4. Step 4: Simplify right side
    37,181.72x = 1,471,405,618.26
  5. Step 5: Solve for x
    x = 1,471,405,618.26/37,181.72
  6. Step 6: Final answer
    x = 39,573.37

Related Problems

Find fourth proportional to 18,590.86, 25,665.38 and 14,332.59
Half scale
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Double scale
Find fourth proportional to 37,182.72, 51,332.15 and 28,666.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.