Home / 37,781.53-56,665.91-12,473.21

Finding the Fourth Proportional to 37,781.53, 56,665.91 and 12,473.21

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Solution

The fourth proportional to 37,781.53, 56,665.91 and 12,473.21 is: 18,707.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,781.53 : 56,665.91 = 12,473.21 : x
  2. Step 2: Convert to fraction form
    37,781.53/56,665.91 = 12,473.21/x
  3. Step 3: Cross multiply
    37,781.53x = 56,665.91 × 12,473.21
  4. Step 4: Simplify right side
    37,781.53x = 706,805,968.12
  5. Step 5: Solve for x
    x = 706,805,968.12/37,781.53
  6. Step 6: Final answer
    x = 18,707.71

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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.