Home / 39,128.97-58,701.96-12,832.73

Finding the Fourth Proportional to 39,128.97, 58,701.96 and 12,832.73

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Solution

The fourth proportional to 39,128.97, 58,701.96 and 12,832.73 is: 19,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,128.97 : 58,701.96 = 12,832.73 : x
  2. Step 2: Convert to fraction form
    39,128.97/58,701.96 = 12,832.73/x
  3. Step 3: Cross multiply
    39,128.97x = 58,701.96 × 12,832.73
  4. Step 4: Simplify right side
    39,128.97x = 753,306,109.64
  5. Step 5: Solve for x
    x = 753,306,109.64/39,128.97
  6. Step 6: Final answer
    x = 19,251.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.