Home / 48,687.86-73,034.22-13,631.06

Finding the Fourth Proportional to 48,687.86, 73,034.22 and 13,631.06

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Solution

The fourth proportional to 48,687.86, 73,034.22 and 13,631.06 is: 20,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,687.86 : 73,034.22 = 13,631.06 : x
  2. Step 2: Convert to fraction form
    48,687.86/73,034.22 = 13,631.06/x
  3. Step 3: Cross multiply
    48,687.86x = 73,034.22 × 13,631.06
  4. Step 4: Simplify right side
    48,687.86x = 995,533,834.87
  5. Step 5: Solve for x
    x = 995,533,834.87/48,687.86
  6. Step 6: Final answer
    x = 20,447.27

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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.