Home / 29,103.94-40,182.24-18,363.88

Finding the Fourth Proportional to 29,103.94, 40,182.24 and 18,363.88

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Solution

The fourth proportional to 29,103.94, 40,182.24 and 18,363.88 is: 25,354.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,103.94 : 40,182.24 = 18,363.88 : x
  2. Step 2: Convert to fraction form
    29,103.94/40,182.24 = 18,363.88/x
  3. Step 3: Cross multiply
    29,103.94x = 40,182.24 × 18,363.88
  4. Step 4: Simplify right side
    29,103.94x = 737,901,833.49
  5. Step 5: Solve for x
    x = 737,901,833.49/29,103.94
  6. Step 6: Final answer
    x = 25,354.02

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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.