Home / 32,079.20-48,122.40-9,892.40

Finding the Fourth Proportional to 32,079.20, 48,122.40 and 9,892.40

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Solution

The fourth proportional to 32,079.20, 48,122.40 and 9,892.40 is: 14,839.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,079.20 : 48,122.40 = 9,892.40 : x
  2. Step 2: Convert to fraction form
    32,079.20/48,122.40 = 9,892.40/x
  3. Step 3: Cross multiply
    32,079.20x = 48,122.40 × 9,892.40
  4. Step 4: Simplify right side
    32,079.20x = 476,046,029.76
  5. Step 5: Solve for x
    x = 476,046,029.76/32,079.20
  6. Step 6: Final answer
    x = 14,839.71

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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.