Home / 38,171.88-57,243.78-13,205.52

Finding the Fourth Proportional to 38,171.88, 57,243.78 and 13,205.52

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Solution

The fourth proportional to 38,171.88, 57,243.78 and 13,205.52 is: 19,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.88 : 57,243.78 = 13,205.52 : x
  2. Step 2: Convert to fraction form
    38,171.88/57,243.78 = 13,205.52/x
  3. Step 3: Cross multiply
    38,171.88x = 57,243.78 × 13,205.52
  4. Step 4: Simplify right side
    38,171.88x = 755,933,881.67
  5. Step 5: Solve for x
    x = 755,933,881.67/38,171.88
  6. Step 6: Final answer
    x = 19,803.42

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1.5x scale

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.