Home / 48,760.36-73,140.53-13,221.88

Finding the Fourth Proportional to 48,760.36, 73,140.53 and 13,221.88

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Solution

The fourth proportional to 48,760.36, 73,140.53 and 13,221.88 is: 19,832.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,760.36 : 73,140.53 = 13,221.88 : x
  2. Step 2: Convert to fraction form
    48,760.36/73,140.53 = 13,221.88/x
  3. Step 3: Cross multiply
    48,760.36x = 73,140.53 × 13,221.88
  4. Step 4: Simplify right side
    48,760.36x = 967,055,310.80
  5. Step 5: Solve for x
    x = 967,055,310.80/48,760.36
  6. Step 6: Final answer
    x = 19,832.82

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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.