Home / 40,540.52-55,984.41-38,331.65

Finding the Fourth Proportional to 40,540.52, 55,984.41 and 38,331.65

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Solution

The fourth proportional to 40,540.52, 55,984.41 and 38,331.65 is: 52,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,540.52 : 55,984.41 = 38,331.65 : x
  2. Step 2: Convert to fraction form
    40,540.52/55,984.41 = 38,331.65/x
  3. Step 3: Cross multiply
    40,540.52x = 55,984.41 × 38,331.65
  4. Step 4: Simplify right side
    40,540.52x = 2,145,974,529.65
  5. Step 5: Solve for x
    x = 2,145,974,529.65/40,540.52
  6. Step 6: Final answer
    x = 52,934.07

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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.