Home / 31,752.38-43,808.28-19,822.62

Finding the Fourth Proportional to 31,752.38, 43,808.28 and 19,822.62

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Solution

The fourth proportional to 31,752.38, 43,808.28 and 19,822.62 is: 27,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,752.38 : 43,808.28 = 19,822.62 : x
  2. Step 2: Convert to fraction form
    31,752.38/43,808.28 = 19,822.62/x
  3. Step 3: Cross multiply
    31,752.38x = 43,808.28 × 19,822.62
  4. Step 4: Simplify right side
    31,752.38x = 868,394,788.18
  5. Step 5: Solve for x
    x = 868,394,788.18/31,752.38
  6. Step 6: Final answer
    x = 27,348.97

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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.