Home / 48,899.67-73,358.91-20,819.19

Finding the Fourth Proportional to 48,899.67, 73,358.91 and 20,819.19

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Solution

The fourth proportional to 48,899.67, 73,358.91 and 20,819.19 is: 31,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,899.67 : 73,358.91 = 20,819.19 : x
  2. Step 2: Convert to fraction form
    48,899.67/73,358.91 = 20,819.19/x
  3. Step 3: Cross multiply
    48,899.67x = 73,358.91 × 20,819.19
  4. Step 4: Simplify right side
    48,899.67x = 1,527,273,085.48
  5. Step 5: Solve for x
    x = 1,527,273,085.48/48,899.67
  6. Step 6: Final answer
    x = 31,232.79

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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.