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Finding the Fourth Proportional to 45,251.52, 62,447.08 and 26,385

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Solution

The fourth proportional to 45,251.52, 62,447.08 and 26,385 is: 36,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,251.52 : 62,447.08 = 26,385 : x
  2. Step 2: Convert to fraction form
    45,251.52/62,447.08 = 26,385/x
  3. Step 3: Cross multiply
    45,251.52x = 62,447.08 × 26,385
  4. Step 4: Simplify right side
    45,251.52x = 1,647,666,205.80
  5. Step 5: Solve for x
    x = 1,647,666,205.80/45,251.52
  6. Step 6: Final answer
    x = 36,411.29

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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.