Home / 31,535.68-43,521.12-17,388.48

Finding the Fourth Proportional to 31,535.68, 43,521.12 and 17,388.48

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Solution

The fourth proportional to 31,535.68, 43,521.12 and 17,388.48 is: 23,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.68 : 43,521.12 = 17,388.48 : x
  2. Step 2: Convert to fraction form
    31,535.68/43,521.12 = 17,388.48/x
  3. Step 3: Cross multiply
    31,535.68x = 43,521.12 × 17,388.48
  4. Step 4: Simplify right side
    31,535.68x = 756,766,124.70
  5. Step 5: Solve for x
    x = 756,766,124.70/31,535.68
  6. Step 6: Final answer
    x = 23,997.14

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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.