Home / 71,402.67-98,538.93-39,569.52

Finding the Fourth Proportional to 71,402.67, 98,538.93 and 39,569.52

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Solution

The fourth proportional to 71,402.67, 98,538.93 and 39,569.52 is: 54,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,402.67 : 98,538.93 = 39,569.52 : x
  2. Step 2: Convert to fraction form
    71,402.67/98,538.93 = 39,569.52/x
  3. Step 3: Cross multiply
    71,402.67x = 98,538.93 × 39,569.52
  4. Step 4: Simplify right side
    71,402.67x = 3,899,138,161.41
  5. Step 5: Solve for x
    x = 3,899,138,161.41/71,402.67
  6. Step 6: Final answer
    x = 54,607.74

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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.