Home / 29,654.78-40,957.19-20,206.94

Finding the Fourth Proportional to 29,654.78, 40,957.19 and 20,206.94

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Solution

The fourth proportional to 29,654.78, 40,957.19 and 20,206.94 is: 27,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,654.78 : 40,957.19 = 20,206.94 : x
  2. Step 2: Convert to fraction form
    29,654.78/40,957.19 = 20,206.94/x
  3. Step 3: Cross multiply
    29,654.78x = 40,957.19 × 20,206.94
  4. Step 4: Simplify right side
    29,654.78x = 827,619,480.90
  5. Step 5: Solve for x
    x = 827,619,480.90/29,654.78
  6. Step 6: Final answer
    x = 27,908.47

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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.