Home / 31,370.40-43,292.88-17,942.22

Finding the Fourth Proportional to 31,370.40, 43,292.88 and 17,942.22

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Solution

The fourth proportional to 31,370.40, 43,292.88 and 17,942.22 is: 24,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370.40 : 43,292.88 = 17,942.22 : x
  2. Step 2: Convert to fraction form
    31,370.40/43,292.88 = 17,942.22/x
  3. Step 3: Cross multiply
    31,370.40x = 43,292.88 × 17,942.22
  4. Step 4: Simplify right side
    31,370.40x = 776,770,377.39
  5. Step 5: Solve for x
    x = 776,770,377.39/31,370.40
  6. Step 6: Final answer
    x = 24,761.25

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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.