Home / 38,632.20-57,905.10-22,000.20

Finding the Fourth Proportional to 38,632.20, 57,905.10 and 22,000.20

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Solution

The fourth proportional to 38,632.20, 57,905.10 and 22,000.20 is: 32,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,632.20 : 57,905.10 = 22,000.20 : x
  2. Step 2: Convert to fraction form
    38,632.20/57,905.10 = 22,000.20/x
  3. Step 3: Cross multiply
    38,632.20x = 57,905.10 × 22,000.20
  4. Step 4: Simplify right side
    38,632.20x = 1,273,923,781.02
  5. Step 5: Solve for x
    x = 1,273,923,781.02/38,632.20
  6. Step 6: Final answer
    x = 32,975.70

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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.