Home / 31,182.12-43,031.34-17,034.96

Finding the Fourth Proportional to 31,182.12, 43,031.34 and 17,034.96

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Solution

The fourth proportional to 31,182.12, 43,031.34 and 17,034.96 is: 23,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,182.12 : 43,031.34 = 17,034.96 : x
  2. Step 2: Convert to fraction form
    31,182.12/43,031.34 = 17,034.96/x
  3. Step 3: Cross multiply
    31,182.12x = 43,031.34 × 17,034.96
  4. Step 4: Simplify right side
    31,182.12x = 733,037,155.65
  5. Step 5: Solve for x
    x = 733,037,155.65/31,182.12
  6. Step 6: Final answer
    x = 23,508.25

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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.