Home / 37,186.72-51,316.80-21,873.28

Finding the Fourth Proportional to 37,186.72, 51,316.80 and 21,873.28

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Solution

The fourth proportional to 37,186.72, 51,316.80 and 21,873.28 is: 30,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,186.72 : 51,316.80 = 21,873.28 : x
  2. Step 2: Convert to fraction form
    37,186.72/51,316.80 = 21,873.28/x
  3. Step 3: Cross multiply
    37,186.72x = 51,316.80 × 21,873.28
  4. Step 4: Simplify right side
    37,186.72x = 1,122,466,735.10
  5. Step 5: Solve for x
    x = 1,122,466,735.10/37,186.72
  6. Step 6: Final answer
    x = 30,184.61

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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.