Home / 40,186.80-55,453.20-22,277.28

Finding the Fourth Proportional to 40,186.80, 55,453.20 and 22,277.28

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Solution

The fourth proportional to 40,186.80, 55,453.20 and 22,277.28 is: 30,740.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,186.80 : 55,453.20 = 22,277.28 : x
  2. Step 2: Convert to fraction form
    40,186.80/55,453.20 = 22,277.28/x
  3. Step 3: Cross multiply
    40,186.80x = 55,453.20 × 22,277.28
  4. Step 4: Simplify right side
    40,186.80x = 1,235,346,463.30
  5. Step 5: Solve for x
    x = 1,235,346,463.30/40,186.80
  6. Step 6: Final answer
    x = 30,740.11

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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.