Home / 29,165.20-43,780.20-18,084.40

Finding the Fourth Proportional to 29,165.20, 43,780.20 and 18,084.40

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Solution

The fourth proportional to 29,165.20, 43,780.20 and 18,084.40 is: 27,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,165.20 : 43,780.20 = 18,084.40 : x
  2. Step 2: Convert to fraction form
    29,165.20/43,780.20 = 18,084.40/x
  3. Step 3: Cross multiply
    29,165.20x = 43,780.20 × 18,084.40
  4. Step 4: Simplify right side
    29,165.20x = 791,738,648.88
  5. Step 5: Solve for x
    x = 791,738,648.88/29,165.20
  6. Step 6: Final answer
    x = 27,146.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.