Home / 48,919.50-73,376.70-13,859.28

Finding the Fourth Proportional to 48,919.50, 73,376.70 and 13,859.28

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Solution

The fourth proportional to 48,919.50, 73,376.70 and 13,859.28 is: 20,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,919.50 : 73,376.70 = 13,859.28 : x
  2. Step 2: Convert to fraction form
    48,919.50/73,376.70 = 13,859.28/x
  3. Step 3: Cross multiply
    48,919.50x = 73,376.70 × 13,859.28
  4. Step 4: Simplify right side
    48,919.50x = 1,016,948,230.78
  5. Step 5: Solve for x
    x = 1,016,948,230.78/48,919.50
  6. Step 6: Final answer
    x = 20,788.20

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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.