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Finding the Fourth Proportional to 29,043.38, 43,565.34 and 8,266.88

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Solution

The fourth proportional to 29,043.38, 43,565.34 and 8,266.88 is: 12,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043.38 : 43,565.34 = 8,266.88 : x
  2. Step 2: Convert to fraction form
    29,043.38/43,565.34 = 8,266.88/x
  3. Step 3: Cross multiply
    29,043.38x = 43,565.34 × 8,266.88
  4. Step 4: Simplify right side
    29,043.38x = 360,149,437.94
  5. Step 5: Solve for x
    x = 360,149,437.94/29,043.38
  6. Step 6: Final answer
    x = 12,400.40

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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.