Home / 71,306.18-98,403.68-39,040.26

Finding the Fourth Proportional to 71,306.18, 98,403.68 and 39,040.26

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Solution

The fourth proportional to 71,306.18, 98,403.68 and 39,040.26 is: 53,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,306.18 : 98,403.68 = 39,040.26 : x
  2. Step 2: Convert to fraction form
    71,306.18/98,403.68 = 39,040.26/x
  3. Step 3: Cross multiply
    71,306.18x = 98,403.68 × 39,040.26
  4. Step 4: Simplify right side
    71,306.18x = 3,841,705,252.16
  5. Step 5: Solve for x
    x = 3,841,705,252.16/71,306.18
  6. Step 6: Final answer
    x = 53,876.19

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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.