Home / 57,407.46-86,105.71-19,966.02

Finding the Fourth Proportional to 57,407.46, 86,105.71 and 19,966.02

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Solution

The fourth proportional to 57,407.46, 86,105.71 and 19,966.02 is: 29,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,407.46 : 86,105.71 = 19,966.02 : x
  2. Step 2: Convert to fraction form
    57,407.46/86,105.71 = 19,966.02/x
  3. Step 3: Cross multiply
    57,407.46x = 86,105.71 × 19,966.02
  4. Step 4: Simplify right side
    57,407.46x = 1,719,188,327.97
  5. Step 5: Solve for x
    x = 1,719,188,327.97/57,407.46
  6. Step 6: Final answer
    x = 29,947.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.