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Finding the Fourth Proportional to 55,414.80, 83,102.76 and 25,827.12

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Solution

The fourth proportional to 55,414.80, 83,102.76 and 25,827.12 is: 38,731.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,414.80 : 83,102.76 = 25,827.12 : x
  2. Step 2: Convert to fraction form
    55,414.80/83,102.76 = 25,827.12/x
  3. Step 3: Cross multiply
    55,414.80x = 83,102.76 × 25,827.12
  4. Step 4: Simplify right side
    55,414.80x = 2,146,304,954.85
  5. Step 5: Solve for x
    x = 2,146,304,954.85/55,414.80
  6. Step 6: Final answer
    x = 38,731.62

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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.