Home / 31,282.65-43,170.30-17,854.47

Finding the Fourth Proportional to 31,282.65, 43,170.30 and 17,854.47

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Solution

The fourth proportional to 31,282.65, 43,170.30 and 17,854.47 is: 24,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.65 : 43,170.30 = 17,854.47 : x
  2. Step 2: Convert to fraction form
    31,282.65/43,170.30 = 17,854.47/x
  3. Step 3: Cross multiply
    31,282.65x = 43,170.30 × 17,854.47
  4. Step 4: Simplify right side
    31,282.65x = 770,782,826.24
  5. Step 5: Solve for x
    x = 770,782,826.24/31,282.65
  6. Step 6: Final answer
    x = 24,639.31

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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.