Home / 54,319.88-81,452.04-22,721.40

Finding the Fourth Proportional to 54,319.88, 81,452.04 and 22,721.40

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Solution

The fourth proportional to 54,319.88, 81,452.04 and 22,721.40 is: 34,070.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.88 : 81,452.04 = 22,721.40 : x
  2. Step 2: Convert to fraction form
    54,319.88/81,452.04 = 22,721.40/x
  3. Step 3: Cross multiply
    54,319.88x = 81,452.04 × 22,721.40
  4. Step 4: Simplify right side
    54,319.88x = 1,850,704,381.66
  5. Step 5: Solve for x
    x = 1,850,704,381.66/54,319.88
  6. Step 6: Final answer
    x = 34,070.48

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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.