Home / 39,687.27-54,769.47-22,694.28

Finding the Fourth Proportional to 39,687.27, 54,769.47 and 22,694.28

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Solution

The fourth proportional to 39,687.27, 54,769.47 and 22,694.28 is: 31,318.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,687.27 : 54,769.47 = 22,694.28 : x
  2. Step 2: Convert to fraction form
    39,687.27/54,769.47 = 22,694.28/x
  3. Step 3: Cross multiply
    39,687.27x = 54,769.47 × 22,694.28
  4. Step 4: Simplify right side
    39,687.27x = 1,242,953,397.14
  5. Step 5: Solve for x
    x = 1,242,953,397.14/39,687.27
  6. Step 6: Final answer
    x = 31,318.70

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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.