Home / 48,776.05-73,168.40-20,306.71

Finding the Fourth Proportional to 48,776.05, 73,168.40 and 20,306.71

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Solution

The fourth proportional to 48,776.05, 73,168.40 and 20,306.71 is: 30,461.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,776.05 : 73,168.40 = 20,306.71 : x
  2. Step 2: Convert to fraction form
    48,776.05/73,168.40 = 20,306.71/x
  3. Step 3: Cross multiply
    48,776.05x = 73,168.40 × 20,306.71
  4. Step 4: Simplify right side
    48,776.05x = 1,485,809,479.96
  5. Step 5: Solve for x
    x = 1,485,809,479.96/48,776.05
  6. Step 6: Final answer
    x = 30,461.87

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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.