Home / 55,344.20-83,016.30-31,943.30

Finding the Fourth Proportional to 55,344.20, 83,016.30 and 31,943.30

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Solution

The fourth proportional to 55,344.20, 83,016.30 and 31,943.30 is: 47,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,344.20 : 83,016.30 = 31,943.30 : x
  2. Step 2: Convert to fraction form
    55,344.20/83,016.30 = 31,943.30/x
  3. Step 3: Cross multiply
    55,344.20x = 83,016.30 × 31,943.30
  4. Step 4: Simplify right side
    55,344.20x = 2,651,814,575.79
  5. Step 5: Solve for x
    x = 2,651,814,575.79/55,344.20
  6. Step 6: Final answer
    x = 47,914.95

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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.