Home / 48,724.89-73,081.26-13,667.28

Finding the Fourth Proportional to 48,724.89, 73,081.26 and 13,667.28

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Solution

The fourth proportional to 48,724.89, 73,081.26 and 13,667.28 is: 20,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,724.89 : 73,081.26 = 13,667.28 : x
  2. Step 2: Convert to fraction form
    48,724.89/73,081.26 = 13,667.28/x
  3. Step 3: Cross multiply
    48,724.89x = 73,081.26 × 13,667.28
  4. Step 4: Simplify right side
    48,724.89x = 998,822,043.17
  5. Step 5: Solve for x
    x = 998,822,043.17/48,724.89
  6. Step 6: Final answer
    x = 20,499.22

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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.