Home / 31,293.75-43,188.99-17,866.92

Finding the Fourth Proportional to 31,293.75, 43,188.99 and 17,866.92

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Solution

The fourth proportional to 31,293.75, 43,188.99 and 17,866.92 is: 24,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.75 : 43,188.99 = 17,866.92 : x
  2. Step 2: Convert to fraction form
    31,293.75/43,188.99 = 17,866.92/x
  3. Step 3: Cross multiply
    31,293.75x = 43,188.99 × 17,866.92
  4. Step 4: Simplify right side
    31,293.75x = 771,654,229.21
  5. Step 5: Solve for x
    x = 771,654,229.21/31,293.75
  6. Step 6: Final answer
    x = 24,658.41

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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.