Home / 40,422.96-55,785.37-22,517.96

Finding the Fourth Proportional to 40,422.96, 55,785.37 and 22,517.96

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Solution

The fourth proportional to 40,422.96, 55,785.37 and 22,517.96 is: 31,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,422.96 : 55,785.37 = 22,517.96 : x
  2. Step 2: Convert to fraction form
    40,422.96/55,785.37 = 22,517.96/x
  3. Step 3: Cross multiply
    40,422.96x = 55,785.37 × 22,517.96
  4. Step 4: Simplify right side
    40,422.96x = 1,256,172,617.66
  5. Step 5: Solve for x
    x = 1,256,172,617.66/40,422.96
  6. Step 6: Final answer
    x = 31,075.72

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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.