Home / 48,404.18-72,589.90-18,411.30

Finding the Fourth Proportional to 48,404.18, 72,589.90 and 18,411.30

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Solution

The fourth proportional to 48,404.18, 72,589.90 and 18,411.30 is: 27,610.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,404.18 : 72,589.90 = 18,411.30 : x
  2. Step 2: Convert to fraction form
    48,404.18/72,589.90 = 18,411.30/x
  3. Step 3: Cross multiply
    48,404.18x = 72,589.90 × 18,411.30
  4. Step 4: Simplify right side
    48,404.18x = 1,336,474,425.87
  5. Step 5: Solve for x
    x = 1,336,474,425.87/48,404.18
  6. Step 6: Final answer
    x = 27,610.72

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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.