Home / 29,018.20-40,044.78-16,443.40

Finding the Fourth Proportional to 29,018.20, 40,044.78 and 16,443.40

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Solution

The fourth proportional to 29,018.20, 40,044.78 and 16,443.40 is: 22,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,018.20 : 40,044.78 = 16,443.40 : x
  2. Step 2: Convert to fraction form
    29,018.20/40,044.78 = 16,443.40/x
  3. Step 3: Cross multiply
    29,018.20x = 40,044.78 × 16,443.40
  4. Step 4: Simplify right side
    29,018.20x = 658,472,335.45
  5. Step 5: Solve for x
    x = 658,472,335.45/29,018.20
  6. Step 6: Final answer
    x = 22,691.70

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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.