Home / 39,169.17-54,052.62-21,264.02

Finding the Fourth Proportional to 39,169.17, 54,052.62 and 21,264.02

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Solution

The fourth proportional to 39,169.17, 54,052.62 and 21,264.02 is: 29,343.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169.17 : 54,052.62 = 21,264.02 : x
  2. Step 2: Convert to fraction form
    39,169.17/54,052.62 = 21,264.02/x
  3. Step 3: Cross multiply
    39,169.17x = 54,052.62 × 21,264.02
  4. Step 4: Simplify right side
    39,169.17x = 1,149,375,845.43
  5. Step 5: Solve for x
    x = 1,149,375,845.43/39,169.17
  6. Step 6: Final answer
    x = 29,343.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.