Home / 29,578.96-40,818.55-16,150.78

Finding the Fourth Proportional to 29,578.96, 40,818.55 and 16,150.78

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Solution

The fourth proportional to 29,578.96, 40,818.55 and 16,150.78 is: 22,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,578.96 : 40,818.55 = 16,150.78 : x
  2. Step 2: Convert to fraction form
    29,578.96/40,818.55 = 16,150.78/x
  3. Step 3: Cross multiply
    29,578.96x = 40,818.55 × 16,150.78
  4. Step 4: Simplify right side
    29,578.96x = 659,251,420.97
  5. Step 5: Solve for x
    x = 659,251,420.97/29,578.96
  6. Step 6: Final answer
    x = 22,287.85

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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.