Home / 31,217.65-43,080.82-17,788.61

Finding the Fourth Proportional to 31,217.65, 43,080.82 and 17,788.61

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Solution

The fourth proportional to 31,217.65, 43,080.82 and 17,788.61 is: 24,548.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217.65 : 43,080.82 = 17,788.61 : x
  2. Step 2: Convert to fraction form
    31,217.65/43,080.82 = 17,788.61/x
  3. Step 3: Cross multiply
    31,217.65x = 43,080.82 × 17,788.61
  4. Step 4: Simplify right side
    31,217.65x = 766,348,057.63
  5. Step 5: Solve for x
    x = 766,348,057.63/31,217.65
  6. Step 6: Final answer
    x = 24,548.55

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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.