Home / 61,560.40-92,344.20-19,441.78

Finding the Fourth Proportional to 61,560.40, 92,344.20 and 19,441.78

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Solution

The fourth proportional to 61,560.40, 92,344.20 and 19,441.78 is: 29,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,560.40 : 92,344.20 = 19,441.78 : x
  2. Step 2: Convert to fraction form
    61,560.40/92,344.20 = 19,441.78/x
  3. Step 3: Cross multiply
    61,560.40x = 92,344.20 × 19,441.78
  4. Step 4: Simplify right side
    61,560.40x = 1,795,335,620.68
  5. Step 5: Solve for x
    x = 1,795,335,620.68/61,560.40
  6. Step 6: Final answer
    x = 29,163.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.