Home / 40,304.38-55,621.40-22,400.14

Finding the Fourth Proportional to 40,304.38, 55,621.40 and 22,400.14

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Solution

The fourth proportional to 40,304.38, 55,621.40 and 22,400.14 is: 30,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,304.38 : 55,621.40 = 22,400.14 : x
  2. Step 2: Convert to fraction form
    40,304.38/55,621.40 = 22,400.14/x
  3. Step 3: Cross multiply
    40,304.38x = 55,621.40 × 22,400.14
  4. Step 4: Simplify right side
    40,304.38x = 1,245,927,147.00
  5. Step 5: Solve for x
    x = 1,245,927,147.00/40,304.38
  6. Step 6: Final answer
    x = 30,912.95

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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.