Home / 40,487.41-55,836.43-25,381.92

Finding the Fourth Proportional to 40,487.41, 55,836.43 and 25,381.92

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Solution

The fourth proportional to 40,487.41, 55,836.43 and 25,381.92 is: 35,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,487.41 : 55,836.43 = 25,381.92 : x
  2. Step 2: Convert to fraction form
    40,487.41/55,836.43 = 25,381.92/x
  3. Step 3: Cross multiply
    40,487.41x = 55,836.43 × 25,381.92
  4. Step 4: Simplify right side
    40,487.41x = 1,417,235,799.35
  5. Step 5: Solve for x
    x = 1,417,235,799.35/40,487.41
  6. Step 6: Final answer
    x = 35,004.36

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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.