Home / 56,179.44-77,524.92-31,028.40

Finding the Fourth Proportional to 56,179.44, 77,524.92 and 31,028.40

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Solution

The fourth proportional to 56,179.44, 77,524.92 and 31,028.40 is: 42,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,179.44 : 77,524.92 = 31,028.40 : x
  2. Step 2: Convert to fraction form
    56,179.44/77,524.92 = 31,028.40/x
  3. Step 3: Cross multiply
    56,179.44x = 77,524.92 × 31,028.40
  4. Step 4: Simplify right side
    56,179.44x = 2,405,474,227.73
  5. Step 5: Solve for x
    x = 2,405,474,227.73/56,179.44
  6. Step 6: Final answer
    x = 42,817.70

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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.