Home / 48,923.20-73,370.40-19,331.20

Finding the Fourth Proportional to 48,923.20, 73,370.40 and 19,331.20

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Solution

The fourth proportional to 48,923.20, 73,370.40 and 19,331.20 is: 28,991.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,923.20 : 73,370.40 = 19,331.20 : x
  2. Step 2: Convert to fraction form
    48,923.20/73,370.40 = 19,331.20/x
  3. Step 3: Cross multiply
    48,923.20x = 73,370.40 × 19,331.20
  4. Step 4: Simplify right side
    48,923.20x = 1,418,337,876.48
  5. Step 5: Solve for x
    x = 1,418,337,876.48/48,923.20
  6. Step 6: Final answer
    x = 28,991.11

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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.