Home / 40,877.60-56,388.05-25,744.28

Finding the Fourth Proportional to 40,877.60, 56,388.05 and 25,744.28

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Solution

The fourth proportional to 40,877.60, 56,388.05 and 25,744.28 is: 35,512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,877.60 : 56,388.05 = 25,744.28 : x
  2. Step 2: Convert to fraction form
    40,877.60/56,388.05 = 25,744.28/x
  3. Step 3: Cross multiply
    40,877.60x = 56,388.05 × 25,744.28
  4. Step 4: Simplify right side
    40,877.60x = 1,451,669,530.27
  5. Step 5: Solve for x
    x = 1,451,669,530.27/40,877.60
  6. Step 6: Final answer
    x = 35,512.59

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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.