Home / 40,179.52-55,449.48-26,729.20

Finding the Fourth Proportional to 40,179.52, 55,449.48 and 26,729.20

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Solution

The fourth proportional to 40,179.52, 55,449.48 and 26,729.20 is: 36,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,179.52 : 55,449.48 = 26,729.20 : x
  2. Step 2: Convert to fraction form
    40,179.52/55,449.48 = 26,729.20/x
  3. Step 3: Cross multiply
    40,179.52x = 55,449.48 × 26,729.20
  4. Step 4: Simplify right side
    40,179.52x = 1,482,120,240.82
  5. Step 5: Solve for x
    x = 1,482,120,240.82/40,179.52
  6. Step 6: Final answer
    x = 36,887.46

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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.