Home / 40,186.06-55,456.49-22,281.07

Finding the Fourth Proportional to 40,186.06, 55,456.49 and 22,281.07

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Solution

The fourth proportional to 40,186.06, 55,456.49 and 22,281.07 is: 30,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,186.06 : 55,456.49 = 22,281.07 : x
  2. Step 2: Convert to fraction form
    40,186.06/55,456.49 = 22,281.07/x
  3. Step 3: Cross multiply
    40,186.06x = 55,456.49 × 22,281.07
  4. Step 4: Simplify right side
    40,186.06x = 1,235,629,935.64
  5. Step 5: Solve for x
    x = 1,235,629,935.64/40,186.06
  6. Step 6: Final answer
    x = 30,747.73

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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.