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Finding the Fourth Proportional to 44,957.82, 67,436.87 and 11,678.16

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Solution

The fourth proportional to 44,957.82, 67,436.87 and 11,678.16 is: 17,517.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,957.82 : 67,436.87 = 11,678.16 : x
  2. Step 2: Convert to fraction form
    44,957.82/67,436.87 = 11,678.16/x
  3. Step 3: Cross multiply
    44,957.82x = 67,436.87 × 11,678.16
  4. Step 4: Simplify right side
    44,957.82x = 787,538,557.76
  5. Step 5: Solve for x
    x = 787,538,557.76/44,957.82
  6. Step 6: Final answer
    x = 17,517.28

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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.