Home / 31,519.12-43,498.38-17,371.96

Finding the Fourth Proportional to 31,519.12, 43,498.38 and 17,371.96

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Solution

The fourth proportional to 31,519.12, 43,498.38 and 17,371.96 is: 23,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.12 : 43,498.38 = 17,371.96 : x
  2. Step 2: Convert to fraction form
    31,519.12/43,498.38 = 17,371.96/x
  3. Step 3: Cross multiply
    31,519.12x = 43,498.38 × 17,371.96
  4. Step 4: Simplify right side
    31,519.12x = 755,652,117.42
  5. Step 5: Solve for x
    x = 755,652,117.42/31,519.12
  6. Step 6: Final answer
    x = 23,974.40

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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.