Home / 71,565.01-98,759.81-39,301.71

Finding the Fourth Proportional to 71,565.01, 98,759.81 and 39,301.71

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Solution

The fourth proportional to 71,565.01, 98,759.81 and 39,301.71 is: 54,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,565.01 : 98,759.81 = 39,301.71 : x
  2. Step 2: Convert to fraction form
    71,565.01/98,759.81 = 39,301.71/x
  3. Step 3: Cross multiply
    71,565.01x = 98,759.81 × 39,301.71
  4. Step 4: Simplify right side
    71,565.01x = 3,881,429,752.39
  5. Step 5: Solve for x
    x = 3,881,429,752.39/71,565.01
  6. Step 6: Final answer
    x = 54,236.42

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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.