Home / 31,257.28-43,131.84-17,827.52

Finding the Fourth Proportional to 31,257.28, 43,131.84 and 17,827.52

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Solution

The fourth proportional to 31,257.28, 43,131.84 and 17,827.52 is: 24,600.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257.28 : 43,131.84 = 17,827.52 : x
  2. Step 2: Convert to fraction form
    31,257.28/43,131.84 = 17,827.52/x
  3. Step 3: Cross multiply
    31,257.28x = 43,131.84 × 17,827.52
  4. Step 4: Simplify right side
    31,257.28x = 768,933,740.24
  5. Step 5: Solve for x
    x = 768,933,740.24/31,257.28
  6. Step 6: Final answer
    x = 24,600.15

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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.