Home / 43,611.89-65,254.41-25,776.90

Finding the Fourth Proportional to 43,611.89, 65,254.41 and 25,776.90

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Solution

The fourth proportional to 43,611.89, 65,254.41 and 25,776.90 is: 38,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611.89 : 65,254.41 = 25,776.90 : x
  2. Step 2: Convert to fraction form
    43,611.89/65,254.41 = 25,776.90/x
  3. Step 3: Cross multiply
    43,611.89x = 65,254.41 × 25,776.90
  4. Step 4: Simplify right side
    43,611.89x = 1,682,056,401.13
  5. Step 5: Solve for x
    x = 1,682,056,401.13/43,611.89
  6. Step 6: Final answer
    x = 38,568.76

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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.