Home / 49,614.40-74,421.60-32,920.30

Finding the Fourth Proportional to 49,614.40, 74,421.60 and 32,920.30

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Solution

The fourth proportional to 49,614.40, 74,421.60 and 32,920.30 is: 49,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,614.40 : 74,421.60 = 32,920.30 : x
  2. Step 2: Convert to fraction form
    49,614.40/74,421.60 = 32,920.30/x
  3. Step 3: Cross multiply
    49,614.40x = 74,421.60 × 32,920.30
  4. Step 4: Simplify right side
    49,614.40x = 2,449,981,398.48
  5. Step 5: Solve for x
    x = 2,449,981,398.48/49,614.40
  6. Step 6: Final answer
    x = 49,380.45

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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.