Home / 37,279.83-51,445.14-21,150.09

Finding the Fourth Proportional to 37,279.83, 51,445.14 and 21,150.09

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Solution

The fourth proportional to 37,279.83, 51,445.14 and 21,150.09 is: 29,186.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,279.83 : 51,445.14 = 21,150.09 : x
  2. Step 2: Convert to fraction form
    37,279.83/51,445.14 = 21,150.09/x
  3. Step 3: Cross multiply
    37,279.83x = 51,445.14 × 21,150.09
  4. Step 4: Simplify right side
    37,279.83x = 1,088,069,341.06
  5. Step 5: Solve for x
    x = 1,088,069,341.06/37,279.83
  6. Step 6: Final answer
    x = 29,186.54

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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.