Home / 40,141.68-60,190.40-13,824.72

Finding the Fourth Proportional to 40,141.68, 60,190.40 and 13,824.72

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Solution

The fourth proportional to 40,141.68, 60,190.40 and 13,824.72 is: 20,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,141.68 : 60,190.40 = 13,824.72 : x
  2. Step 2: Convert to fraction form
    40,141.68/60,190.40 = 13,824.72/x
  3. Step 3: Cross multiply
    40,141.68x = 60,190.40 × 13,824.72
  4. Step 4: Simplify right side
    40,141.68x = 832,115,426.69
  5. Step 5: Solve for x
    x = 832,115,426.69/40,141.68
  6. Step 6: Final answer
    x = 20,729.46

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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.