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Finding the Fourth Proportional to 45,591.56, 62,916.90 and 26,471.72

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Solution

The fourth proportional to 45,591.56, 62,916.90 and 26,471.72 is: 36,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,591.56 : 62,916.90 = 26,471.72 : x
  2. Step 2: Convert to fraction form
    45,591.56/62,916.90 = 26,471.72/x
  3. Step 3: Cross multiply
    45,591.56x = 62,916.90 × 26,471.72
  4. Step 4: Simplify right side
    45,591.56x = 1,665,518,560.07
  5. Step 5: Solve for x
    x = 1,665,518,560.07/45,591.56
  6. Step 6: Final answer
    x = 36,531.29

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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.