Home / 71,072.28-106,608.78-29,519.32

Finding the Fourth Proportional to 71,072.28, 106,608.78 and 29,519.32

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Solution

The fourth proportional to 71,072.28, 106,608.78 and 29,519.32 is: 44,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,072.28 : 106,608.78 = 29,519.32 : x
  2. Step 2: Convert to fraction form
    71,072.28/106,608.78 = 29,519.32/x
  3. Step 3: Cross multiply
    71,072.28x = 106,608.78 × 29,519.32
  4. Step 4: Simplify right side
    71,072.28x = 3,147,018,691.63
  5. Step 5: Solve for x
    x = 3,147,018,691.63/71,072.28
  6. Step 6: Final answer
    x = 44,279.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.