Home / 48,723.39-73,079.01-13,665.78

Finding the Fourth Proportional to 48,723.39, 73,079.01 and 13,665.78

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Solution

The fourth proportional to 48,723.39, 73,079.01 and 13,665.78 is: 20,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,723.39 : 73,079.01 = 13,665.78 : x
  2. Step 2: Convert to fraction form
    48,723.39/73,079.01 = 13,665.78/x
  3. Step 3: Cross multiply
    48,723.39x = 73,079.01 × 13,665.78
  4. Step 4: Simplify right side
    48,723.39x = 998,681,673.28
  5. Step 5: Solve for x
    x = 998,681,673.28/48,723.39
  6. Step 6: Final answer
    x = 20,496.97

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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.