Home / 40,192.64-55,466.20-22,287.90

Finding the Fourth Proportional to 40,192.64, 55,466.20 and 22,287.90

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Solution

The fourth proportional to 40,192.64, 55,466.20 and 22,287.90 is: 30,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,192.64 : 55,466.20 = 22,287.90 : x
  2. Step 2: Convert to fraction form
    40,192.64/55,466.20 = 22,287.90/x
  3. Step 3: Cross multiply
    40,192.64x = 55,466.20 × 22,287.90
  4. Step 4: Simplify right side
    40,192.64x = 1,236,225,118.98
  5. Step 5: Solve for x
    x = 1,236,225,118.98/40,192.64
  6. Step 6: Final answer
    x = 30,757.50

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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.