Home / 31,414.72-43,348.12-19,473.70

Finding the Fourth Proportional to 31,414.72, 43,348.12 and 19,473.70

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Solution

The fourth proportional to 31,414.72, 43,348.12 and 19,473.70 is: 26,871.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,414.72 : 43,348.12 = 19,473.70 : x
  2. Step 2: Convert to fraction form
    31,414.72/43,348.12 = 19,473.70/x
  3. Step 3: Cross multiply
    31,414.72x = 43,348.12 × 19,473.70
  4. Step 4: Simplify right side
    31,414.72x = 844,148,284.44
  5. Step 5: Solve for x
    x = 844,148,284.44/31,414.72
  6. Step 6: Final answer
    x = 26,871.11

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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.