Home / 31,680.12-43,718.40-17,532.48

Finding the Fourth Proportional to 31,680.12, 43,718.40 and 17,532.48

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Solution

The fourth proportional to 31,680.12, 43,718.40 and 17,532.48 is: 24,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,680.12 : 43,718.40 = 17,532.48 : x
  2. Step 2: Convert to fraction form
    31,680.12/43,718.40 = 17,532.48/x
  3. Step 3: Cross multiply
    31,680.12x = 43,718.40 × 17,532.48
  4. Step 4: Simplify right side
    31,680.12x = 766,491,973.63
  5. Step 5: Solve for x
    x = 766,491,973.63/31,680.12
  6. Step 6: Final answer
    x = 24,194.73

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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.