Home / 71,179.48-98,227.20-39,349.72

Finding the Fourth Proportional to 71,179.48, 98,227.20 and 39,349.72

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Solution

The fourth proportional to 71,179.48, 98,227.20 and 39,349.72 is: 54,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,179.48 : 98,227.20 = 39,349.72 : x
  2. Step 2: Convert to fraction form
    71,179.48/98,227.20 = 39,349.72/x
  3. Step 3: Cross multiply
    71,179.48x = 98,227.20 × 39,349.72
  4. Step 4: Simplify right side
    71,179.48x = 3,865,212,816.38
  5. Step 5: Solve for x
    x = 3,865,212,816.38/71,179.48
  6. Step 6: Final answer
    x = 54,302.35

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Double scale
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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.