Home / 40,872.42-56,387.60-25,761.06

Finding the Fourth Proportional to 40,872.42, 56,387.60 and 25,761.06

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Solution

The fourth proportional to 40,872.42, 56,387.60 and 25,761.06 is: 35,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,872.42 : 56,387.60 = 25,761.06 : x
  2. Step 2: Convert to fraction form
    40,872.42/56,387.60 = 25,761.06/x
  3. Step 3: Cross multiply
    40,872.42x = 56,387.60 × 25,761.06
  4. Step 4: Simplify right side
    40,872.42x = 1,452,604,346.86
  5. Step 5: Solve for x
    x = 1,452,604,346.86/40,872.42
  6. Step 6: Final answer
    x = 35,539.96

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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.