Home / 31,367.32-43,286.10-17,220.04

Finding the Fourth Proportional to 31,367.32, 43,286.10 and 17,220.04

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Solution

The fourth proportional to 31,367.32, 43,286.10 and 17,220.04 is: 23,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,367.32 : 43,286.10 = 17,220.04 : x
  2. Step 2: Convert to fraction form
    31,367.32/43,286.10 = 17,220.04/x
  3. Step 3: Cross multiply
    31,367.32x = 43,286.10 × 17,220.04
  4. Step 4: Simplify right side
    31,367.32x = 745,388,373.44
  5. Step 5: Solve for x
    x = 745,388,373.44/31,367.32
  6. Step 6: Final answer
    x = 23,763.22

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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.