Home / 48,375.36-72,591.04-20,292.90

Finding the Fourth Proportional to 48,375.36, 72,591.04 and 20,292.90

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Solution

The fourth proportional to 48,375.36, 72,591.04 and 20,292.90 is: 30,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,375.36 : 72,591.04 = 20,292.90 : x
  2. Step 2: Convert to fraction form
    48,375.36/72,591.04 = 20,292.90/x
  3. Step 3: Cross multiply
    48,375.36x = 72,591.04 × 20,292.90
  4. Step 4: Simplify right side
    48,375.36x = 1,473,082,715.62
  5. Step 5: Solve for x
    x = 1,473,082,715.62/48,375.36
  6. Step 6: Final answer
    x = 30,451.10

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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.