Home / 54,982.80-82,466.10-15,543.90

Finding the Fourth Proportional to 54,982.80, 82,466.10 and 15,543.90

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Solution

The fourth proportional to 54,982.80, 82,466.10 and 15,543.90 is: 23,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,982.80 : 82,466.10 = 15,543.90 : x
  2. Step 2: Convert to fraction form
    54,982.80/82,466.10 = 15,543.90/x
  3. Step 3: Cross multiply
    54,982.80x = 82,466.10 × 15,543.90
  4. Step 4: Simplify right side
    54,982.80x = 1,281,844,811.79
  5. Step 5: Solve for x
    x = 1,281,844,811.79/54,982.80
  6. Step 6: Final answer
    x = 23,313.56

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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.