Home / 38,440.88-57,660.60-13,474

Finding the Fourth Proportional to 38,440.88, 57,660.60 and 13,474

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Solution

The fourth proportional to 38,440.88, 57,660.60 and 13,474 is: 20,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,440.88 : 57,660.60 = 13,474 : x
  2. Step 2: Convert to fraction form
    38,440.88/57,660.60 = 13,474/x
  3. Step 3: Cross multiply
    38,440.88x = 57,660.60 × 13,474
  4. Step 4: Simplify right side
    38,440.88x = 776,918,924.40
  5. Step 5: Solve for x
    x = 776,918,924.40/38,440.88
  6. Step 6: Final answer
    x = 20,210.75

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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.