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Finding the Fourth Proportional to 40,494, 60,772.32 and 28,101

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Solution

The fourth proportional to 40,494, 60,772.32 and 28,101 is: 42,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,494 : 60,772.32 = 28,101 : x
  2. Step 2: Convert to fraction form
    40,494/60,772.32 = 28,101/x
  3. Step 3: Cross multiply
    40,494x = 60,772.32 × 28,101
  4. Step 4: Simplify right side
    40,494x = 1,707,762,964.32
  5. Step 5: Solve for x
    x = 1,707,762,964.32/40,494
  6. Step 6: Final answer
    x = 42,173.23

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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.