Home / 37,781.80-56,685.04-18,061.90

Finding the Fourth Proportional to 37,781.80, 56,685.04 and 18,061.90

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Solution

The fourth proportional to 37,781.80, 56,685.04 and 18,061.90 is: 27,098.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,781.80 : 56,685.04 = 18,061.90 : x
  2. Step 2: Convert to fraction form
    37,781.80/56,685.04 = 18,061.90/x
  3. Step 3: Cross multiply
    37,781.80x = 56,685.04 × 18,061.90
  4. Step 4: Simplify right side
    37,781.80x = 1,023,839,523.98
  5. Step 5: Solve for x
    x = 1,023,839,523.98/37,781.80
  6. Step 6: Final answer
    x = 27,098.75

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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.