Home / 31,568.20-43,562.97-17,420.74

Finding the Fourth Proportional to 31,568.20, 43,562.97 and 17,420.74

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Solution

The fourth proportional to 31,568.20, 43,562.97 and 17,420.74 is: 24,039.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,568.20 : 43,562.97 = 17,420.74 : x
  2. Step 2: Convert to fraction form
    31,568.20/43,562.97 = 17,420.74/x
  3. Step 3: Cross multiply
    31,568.20x = 43,562.97 × 17,420.74
  4. Step 4: Simplify right side
    31,568.20x = 758,899,293.78
  5. Step 5: Solve for x
    x = 758,899,293.78/31,568.20
  6. Step 6: Final answer
    x = 24,039.99

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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.