Home / 32,791.20-49,139.76-18,722.08

Finding the Fourth Proportional to 32,791.20, 49,139.76 and 18,722.08

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Solution

The fourth proportional to 32,791.20, 49,139.76 and 18,722.08 is: 28,056.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,791.20 : 49,139.76 = 18,722.08 : x
  2. Step 2: Convert to fraction form
    32,791.20/49,139.76 = 18,722.08/x
  3. Step 3: Cross multiply
    32,791.20x = 49,139.76 × 18,722.08
  4. Step 4: Simplify right side
    32,791.20x = 919,998,517.90
  5. Step 5: Solve for x
    x = 919,998,517.90/32,791.20
  6. Step 6: Final answer
    x = 28,056.26

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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.