Home / 29,667.80-40,945.20-17,731.04

Finding the Fourth Proportional to 29,667.80, 40,945.20 and 17,731.04

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Solution

The fourth proportional to 29,667.80, 40,945.20 and 17,731.04 is: 24,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,667.80 : 40,945.20 = 17,731.04 : x
  2. Step 2: Convert to fraction form
    29,667.80/40,945.20 = 17,731.04/x
  3. Step 3: Cross multiply
    29,667.80x = 40,945.20 × 17,731.04
  4. Step 4: Simplify right side
    29,667.80x = 726,000,979.01
  5. Step 5: Solve for x
    x = 726,000,979.01/29,667.80
  6. Step 6: Final answer
    x = 24,471.01

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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.