Home / 31,748.28-43,800.92-19,001.76

Finding the Fourth Proportional to 31,748.28, 43,800.92 and 19,001.76

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Solution

The fourth proportional to 31,748.28, 43,800.92 and 19,001.76 is: 26,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,748.28 : 43,800.92 = 19,001.76 : x
  2. Step 2: Convert to fraction form
    31,748.28/43,800.92 = 19,001.76/x
  3. Step 3: Cross multiply
    31,748.28x = 43,800.92 × 19,001.76
  4. Step 4: Simplify right side
    31,748.28x = 832,294,569.62
  5. Step 5: Solve for x
    x = 832,294,569.62/31,748.28
  6. Step 6: Final answer
    x = 26,215.42

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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.