Home / 29,919.13-41,288.69-16,490.90

Finding the Fourth Proportional to 29,919.13, 41,288.69 and 16,490.90

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Solution

The fourth proportional to 29,919.13, 41,288.69 and 16,490.90 is: 22,757.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,919.13 : 41,288.69 = 16,490.90 : x
  2. Step 2: Convert to fraction form
    29,919.13/41,288.69 = 16,490.90/x
  3. Step 3: Cross multiply
    29,919.13x = 41,288.69 × 16,490.90
  4. Step 4: Simplify right side
    29,919.13x = 680,887,872.03
  5. Step 5: Solve for x
    x = 680,887,872.03/29,919.13
  6. Step 6: Final answer
    x = 22,757.61

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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.