Home / 38,898.39-53,680.10-22,132.47

Finding the Fourth Proportional to 38,898.39, 53,680.10 and 22,132.47

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Solution

The fourth proportional to 38,898.39, 53,680.10 and 22,132.47 is: 30,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,898.39 : 53,680.10 = 22,132.47 : x
  2. Step 2: Convert to fraction form
    38,898.39/53,680.10 = 22,132.47/x
  3. Step 3: Cross multiply
    38,898.39x = 53,680.10 × 22,132.47
  4. Step 4: Simplify right side
    38,898.39x = 1,188,073,092.18
  5. Step 5: Solve for x
    x = 1,188,073,092.18/38,898.39
  6. Step 6: Final answer
    x = 30,542.99

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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.