Home / 40,077.20-55,304.26-22,171.14

Finding the Fourth Proportional to 40,077.20, 55,304.26 and 22,171.14

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Solution

The fourth proportional to 40,077.20, 55,304.26 and 22,171.14 is: 30,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,077.20 : 55,304.26 = 22,171.14 : x
  2. Step 2: Convert to fraction form
    40,077.20/55,304.26 = 22,171.14/x
  3. Step 3: Cross multiply
    40,077.20x = 55,304.26 × 22,171.14
  4. Step 4: Simplify right side
    40,077.20x = 1,226,158,435.63
  5. Step 5: Solve for x
    x = 1,226,158,435.63/40,077.20
  6. Step 6: Final answer
    x = 30,594.91

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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.