Home / 54,009.38-74,531.18-29,479.24

Finding the Fourth Proportional to 54,009.38, 74,531.18 and 29,479.24

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Solution

The fourth proportional to 54,009.38, 74,531.18 and 29,479.24 is: 40,680.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,009.38 : 74,531.18 = 29,479.24 : x
  2. Step 2: Convert to fraction form
    54,009.38/74,531.18 = 29,479.24/x
  3. Step 3: Cross multiply
    54,009.38x = 74,531.18 × 29,479.24
  4. Step 4: Simplify right side
    54,009.38x = 2,197,122,542.70
  5. Step 5: Solve for x
    x = 2,197,122,542.70/54,009.38
  6. Step 6: Final answer
    x = 40,680.39

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1.5x scale

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.