Home / 31,687.24-43,729.77-17,540.08

Finding the Fourth Proportional to 31,687.24, 43,729.77 and 17,540.08

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Solution

The fourth proportional to 31,687.24, 43,729.77 and 17,540.08 is: 24,206.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,687.24 : 43,729.77 = 17,540.08 : x
  2. Step 2: Convert to fraction form
    31,687.24/43,729.77 = 17,540.08/x
  3. Step 3: Cross multiply
    31,687.24x = 43,729.77 × 17,540.08
  4. Step 4: Simplify right side
    31,687.24x = 767,023,664.18
  5. Step 5: Solve for x
    x = 767,023,664.18/31,687.24
  6. Step 6: Final answer
    x = 24,206.07

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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.