Home / 48,755.92-73,139.38-19,169.86

Finding the Fourth Proportional to 48,755.92, 73,139.38 and 19,169.86

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Solution

The fourth proportional to 48,755.92, 73,139.38 and 19,169.86 is: 28,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,755.92 : 73,139.38 = 19,169.86 : x
  2. Step 2: Convert to fraction form
    48,755.92/73,139.38 = 19,169.86/x
  3. Step 3: Cross multiply
    48,755.92x = 73,139.38 × 19,169.86
  4. Step 4: Simplify right side
    48,755.92x = 1,402,071,675.09
  5. Step 5: Solve for x
    x = 1,402,071,675.09/48,755.92
  6. Step 6: Final answer
    x = 28,756.95

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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.