Home / 31,571.40-43,568.08-17,423.92

Finding the Fourth Proportional to 31,571.40, 43,568.08 and 17,423.92

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Solution

The fourth proportional to 31,571.40, 43,568.08 and 17,423.92 is: 24,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,571.40 : 43,568.08 = 17,423.92 : x
  2. Step 2: Convert to fraction form
    31,571.40/43,568.08 = 17,423.92/x
  3. Step 3: Cross multiply
    31,571.40x = 43,568.08 × 17,423.92
  4. Step 4: Simplify right side
    31,571.40x = 759,126,740.47
  5. Step 5: Solve for x
    x = 759,126,740.47/31,571.40
  6. Step 6: Final answer
    x = 24,044.76

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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.