Home / 48,743.70-73,115.55-13,689.30

Finding the Fourth Proportional to 48,743.70, 73,115.55 and 13,689.30

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Solution

The fourth proportional to 48,743.70, 73,115.55 and 13,689.30 is: 20,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,743.70 : 73,115.55 = 13,689.30 : x
  2. Step 2: Convert to fraction form
    48,743.70/73,115.55 = 13,689.30/x
  3. Step 3: Cross multiply
    48,743.70x = 73,115.55 × 13,689.30
  4. Step 4: Simplify right side
    48,743.70x = 1,000,900,698.62
  5. Step 5: Solve for x
    x = 1,000,900,698.62/48,743.70
  6. Step 6: Final answer
    x = 20,533.95

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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.