Home / 29,116.80-40,169.52-18,358.13

Finding the Fourth Proportional to 29,116.80, 40,169.52 and 18,358.13

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Solution

The fourth proportional to 29,116.80, 40,169.52 and 18,358.13 is: 25,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,116.80 : 40,169.52 = 18,358.13 : x
  2. Step 2: Convert to fraction form
    29,116.80/40,169.52 = 18,358.13/x
  3. Step 3: Cross multiply
    29,116.80x = 40,169.52 × 18,358.13
  4. Step 4: Simplify right side
    29,116.80x = 737,437,370.62
  5. Step 5: Solve for x
    x = 737,437,370.62/29,116.80
  6. Step 6: Final answer
    x = 25,326.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.