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Finding the Fourth Proportional to 29,641.22, 40,904.84 and 17,711.54

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Solution

The fourth proportional to 29,641.22, 40,904.84 and 17,711.54 is: 24,441.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,641.22 : 40,904.84 = 17,711.54 : x
  2. Step 2: Convert to fraction form
    29,641.22/40,904.84 = 17,711.54/x
  3. Step 3: Cross multiply
    29,641.22x = 40,904.84 × 17,711.54
  4. Step 4: Simplify right side
    29,641.22x = 724,487,856.39
  5. Step 5: Solve for x
    x = 724,487,856.39/29,641.22
  6. Step 6: Final answer
    x = 24,441.90

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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.