Home / 31,488.12-43,452.99-17,340.66

Finding the Fourth Proportional to 31,488.12, 43,452.99 and 17,340.66

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Solution

The fourth proportional to 31,488.12, 43,452.99 and 17,340.66 is: 23,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.12 : 43,452.99 = 17,340.66 : x
  2. Step 2: Convert to fraction form
    31,488.12/43,452.99 = 17,340.66/x
  3. Step 3: Cross multiply
    31,488.12x = 43,452.99 × 17,340.66
  4. Step 4: Simplify right side
    31,488.12x = 753,503,525.57
  5. Step 5: Solve for x
    x = 753,503,525.57/31,488.12
  6. Step 6: Final answer
    x = 23,929.77

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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.