Home / 39,132.16-54,001.44-21,226.72

Finding the Fourth Proportional to 39,132.16, 54,001.44 and 21,226.72

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Solution

The fourth proportional to 39,132.16, 54,001.44 and 21,226.72 is: 29,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,132.16 : 54,001.44 = 21,226.72 : x
  2. Step 2: Convert to fraction form
    39,132.16/54,001.44 = 21,226.72/x
  3. Step 3: Cross multiply
    39,132.16x = 54,001.44 × 21,226.72
  4. Step 4: Simplify right side
    39,132.16x = 1,146,273,446.48
  5. Step 5: Solve for x
    x = 1,146,273,446.48/39,132.16
  6. Step 6: Final answer
    x = 29,292.36

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