Home / 39,660.38-54,727.85-22,661.24

Finding the Fourth Proportional to 39,660.38, 54,727.85 and 22,661.24

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Solution

The fourth proportional to 39,660.38, 54,727.85 and 22,661.24 is: 31,270.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.38 : 54,727.85 = 22,661.24 : x
  2. Step 2: Convert to fraction form
    39,660.38/54,727.85 = 22,661.24/x
  3. Step 3: Cross multiply
    39,660.38x = 54,727.85 × 22,661.24
  4. Step 4: Simplify right side
    39,660.38x = 1,240,200,726.55
  5. Step 5: Solve for x
    x = 1,240,200,726.55/39,660.38
  6. Step 6: Final answer
    x = 31,270.52

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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.