Home / 71,174.49-98,221.38-39,343.92

Finding the Fourth Proportional to 71,174.49, 98,221.38 and 39,343.92

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Solution

The fourth proportional to 71,174.49, 98,221.38 and 39,343.92 is: 54,294.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,174.49 : 98,221.38 = 39,343.92 : x
  2. Step 2: Convert to fraction form
    71,174.49/98,221.38 = 39,343.92/x
  3. Step 3: Cross multiply
    71,174.49x = 98,221.38 × 39,343.92
  4. Step 4: Simplify right side
    71,174.49x = 3,864,413,429.18
  5. Step 5: Solve for x
    x = 3,864,413,429.18/71,174.49
  6. Step 6: Final answer
    x = 54,294.93

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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.