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Finding the Fourth Proportional to 37,191.38, 55,787.06 and 9,489.38

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Solution

The fourth proportional to 37,191.38, 55,787.06 and 9,489.38 is: 14,234.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,191.38 : 55,787.06 = 9,489.38 : x
  2. Step 2: Convert to fraction form
    37,191.38/55,787.06 = 9,489.38/x
  3. Step 3: Cross multiply
    37,191.38x = 55,787.06 × 9,489.38
  4. Step 4: Simplify right side
    37,191.38x = 529,384,356.21
  5. Step 5: Solve for x
    x = 529,384,356.21/37,191.38
  6. Step 6: Final answer
    x = 14,234.06

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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.