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Finding the Fourth Proportional to 55,551, 83,335.19 and 18,102.38

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Solution

The fourth proportional to 55,551, 83,335.19 and 18,102.38 is: 27,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,551 : 83,335.19 = 18,102.38 : x
  2. Step 2: Convert to fraction form
    55,551/83,335.19 = 18,102.38/x
  3. Step 3: Cross multiply
    55,551x = 83,335.19 × 18,102.38
  4. Step 4: Simplify right side
    55,551x = 1,508,565,276.75
  5. Step 5: Solve for x
    x = 1,508,565,276.75/55,551
  6. Step 6: Final answer
    x = 27,156.40

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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.