Home / 40,515.17-55,910.94-22,610.30

Finding the Fourth Proportional to 40,515.17, 55,910.94 and 22,610.30

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Solution

The fourth proportional to 40,515.17, 55,910.94 and 22,610.30 is: 31,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,515.17 : 55,910.94 = 22,610.30 : x
  2. Step 2: Convert to fraction form
    40,515.17/55,910.94 = 22,610.30/x
  3. Step 3: Cross multiply
    40,515.17x = 55,910.94 × 22,610.30
  4. Step 4: Simplify right side
    40,515.17x = 1,264,162,847.13
  5. Step 5: Solve for x
    x = 1,264,162,847.13/40,515.17
  6. Step 6: Final answer
    x = 31,202.21

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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.