Home / 47,144.32-70,732.68-40,176.88

Finding the Fourth Proportional to 47,144.32, 70,732.68 and 40,176.88

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Solution

The fourth proportional to 47,144.32, 70,732.68 and 40,176.88 is: 60,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,144.32 : 70,732.68 = 40,176.88 : x
  2. Step 2: Convert to fraction form
    47,144.32/70,732.68 = 40,176.88/x
  3. Step 3: Cross multiply
    47,144.32x = 70,732.68 × 40,176.88
  4. Step 4: Simplify right side
    47,144.32x = 2,841,818,396.44
  5. Step 5: Solve for x
    x = 2,841,818,396.44/47,144.32
  6. Step 6: Final answer
    x = 60,279.13

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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.