Home / 54,319.38-81,451.29-22,720.89

Finding the Fourth Proportional to 54,319.38, 81,451.29 and 22,720.89

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Solution

The fourth proportional to 54,319.38, 81,451.29 and 22,720.89 is: 34,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.38 : 81,451.29 = 22,720.89 : x
  2. Step 2: Convert to fraction form
    54,319.38/81,451.29 = 22,720.89/x
  3. Step 3: Cross multiply
    54,319.38x = 81,451.29 × 22,720.89
  4. Step 4: Simplify right side
    54,319.38x = 1,850,645,800.45
  5. Step 5: Solve for x
    x = 1,850,645,800.45/54,319.38
  6. Step 6: Final answer
    x = 34,069.72

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1.5x scale

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.