Home / 44,489.16-66,722.94-20,781.72

Finding the Fourth Proportional to 44,489.16, 66,722.94 and 20,781.72

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Solution

The fourth proportional to 44,489.16, 66,722.94 and 20,781.72 is: 31,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,489.16 : 66,722.94 = 20,781.72 : x
  2. Step 2: Convert to fraction form
    44,489.16/66,722.94 = 20,781.72/x
  3. Step 3: Cross multiply
    44,489.16x = 66,722.94 × 20,781.72
  4. Step 4: Simplify right side
    44,489.16x = 1,386,617,456.66
  5. Step 5: Solve for x
    x = 1,386,617,456.66/44,489.16
  6. Step 6: Final answer
    x = 31,167.54

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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.