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Finding the Fourth Proportional to 37,154, 55,731 and 12,530

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Solution

The fourth proportional to 37,154, 55,731 and 12,530 is: 18,795

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,154 : 55,731 = 12,530 : x
  2. Step 2: Convert to fraction form
    37,154/55,731 = 12,530/x
  3. Step 3: Cross multiply
    37,154x = 55,731 × 12,530
  4. Step 4: Simplify right side
    37,154x = 698,309,430
  5. Step 5: Solve for x
    x = 698,309,430/37,154
  6. Step 6: Final answer
    x = 18,795

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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.