Home / 71,184.78-98,230.19-39,349.35

Finding the Fourth Proportional to 71,184.78, 98,230.19 and 39,349.35

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Solution

The fourth proportional to 71,184.78, 98,230.19 and 39,349.35 is: 54,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,184.78 : 98,230.19 = 39,349.35 : x
  2. Step 2: Convert to fraction form
    71,184.78/98,230.19 = 39,349.35/x
  3. Step 3: Cross multiply
    71,184.78x = 98,230.19 × 39,349.35
  4. Step 4: Simplify right side
    71,184.78x = 3,865,293,930.13
  5. Step 5: Solve for x
    x = 3,865,293,930.13/71,184.78
  6. Step 6: Final answer
    x = 54,299.44

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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.