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Finding the Fourth Proportional to 29,414.80, 44,021.40 and 17,736.40

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Solution

The fourth proportional to 29,414.80, 44,021.40 and 17,736.40 is: 26,543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,414.80 : 44,021.40 = 17,736.40 : x
  2. Step 2: Convert to fraction form
    29,414.80/44,021.40 = 17,736.40/x
  3. Step 3: Cross multiply
    29,414.80x = 44,021.40 × 17,736.40
  4. Step 4: Simplify right side
    29,414.80x = 780,781,158.96
  5. Step 5: Solve for x
    x = 780,781,158.96/29,414.80
  6. Step 6: Final answer
    x = 26,543.82

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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.