Home / 63,395.20-87,432.22-40,737.88

Finding the Fourth Proportional to 63,395.20, 87,432.22 and 40,737.88

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Solution

The fourth proportional to 63,395.20, 87,432.22 and 40,737.88 is: 56,184.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,395.20 : 87,432.22 = 40,737.88 : x
  2. Step 2: Convert to fraction form
    63,395.20/87,432.22 = 40,737.88/x
  3. Step 3: Cross multiply
    63,395.20x = 87,432.22 × 40,737.88
  4. Step 4: Simplify right side
    63,395.20x = 3,561,803,286.49
  5. Step 5: Solve for x
    x = 3,561,803,286.49/63,395.20
  6. Step 6: Final answer
    x = 56,184.12

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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.