Home / 29,311.60-40,447.61-16,565.87

Finding the Fourth Proportional to 29,311.60, 40,447.61 and 16,565.87

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Solution

The fourth proportional to 29,311.60, 40,447.61 and 16,565.87 is: 22,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.60 : 40,447.61 = 16,565.87 : x
  2. Step 2: Convert to fraction form
    29,311.60/40,447.61 = 16,565.87/x
  3. Step 3: Cross multiply
    29,311.60x = 40,447.61 × 16,565.87
  4. Step 4: Simplify right side
    29,311.60x = 670,049,766.24
  5. Step 5: Solve for x
    x = 670,049,766.24/29,311.60
  6. Step 6: Final answer
    x = 22,859.55

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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.