Home / 39,789.56-54,867.89-29,701.82

Finding the Fourth Proportional to 39,789.56, 54,867.89 and 29,701.82

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Solution

The fourth proportional to 39,789.56, 54,867.89 and 29,701.82 is: 40,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,789.56 : 54,867.89 = 29,701.82 : x
  2. Step 2: Convert to fraction form
    39,789.56/54,867.89 = 29,701.82/x
  3. Step 3: Cross multiply
    39,789.56x = 54,867.89 × 29,701.82
  4. Step 4: Simplify right side
    39,789.56x = 1,629,675,769.71
  5. Step 5: Solve for x
    x = 1,629,675,769.71/39,789.56
  6. Step 6: Final answer
    x = 40,957.38

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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.