Home / 38,442.20-57,663.30-32,221.40

Finding the Fourth Proportional to 38,442.20, 57,663.30 and 32,221.40

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Solution

The fourth proportional to 38,442.20, 57,663.30 and 32,221.40 is: 48,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,442.20 : 57,663.30 = 32,221.40 : x
  2. Step 2: Convert to fraction form
    38,442.20/57,663.30 = 32,221.40/x
  3. Step 3: Cross multiply
    38,442.20x = 57,663.30 × 32,221.40
  4. Step 4: Simplify right side
    38,442.20x = 1,857,992,254.62
  5. Step 5: Solve for x
    x = 1,857,992,254.62/38,442.20
  6. Step 6: Final answer
    x = 48,332.10

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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.