Home / 29,065.20-40,108.61-16,145.31

Finding the Fourth Proportional to 29,065.20, 40,108.61 and 16,145.31

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Solution

The fourth proportional to 29,065.20, 40,108.61 and 16,145.31 is: 22,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,065.20 : 40,108.61 = 16,145.31 : x
  2. Step 2: Convert to fraction form
    29,065.20/40,108.61 = 16,145.31/x
  3. Step 3: Cross multiply
    29,065.20x = 40,108.61 × 16,145.31
  4. Step 4: Simplify right side
    29,065.20x = 647,565,942.12
  5. Step 5: Solve for x
    x = 647,565,942.12/29,065.20
  6. Step 6: Final answer
    x = 22,279.77

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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.