Home / 48,738.29-73,110.01-13,680.68

Finding the Fourth Proportional to 48,738.29, 73,110.01 and 13,680.68

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Solution

The fourth proportional to 48,738.29, 73,110.01 and 13,680.68 is: 20,521.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,738.29 : 73,110.01 = 13,680.68 : x
  2. Step 2: Convert to fraction form
    48,738.29/73,110.01 = 13,680.68/x
  3. Step 3: Cross multiply
    48,738.29x = 73,110.01 × 13,680.68
  4. Step 4: Simplify right side
    48,738.29x = 1,000,194,651.61
  5. Step 5: Solve for x
    x = 1,000,194,651.61/48,738.29
  6. Step 6: Final answer
    x = 20,521.74

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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.