Home / 38,571.85-57,811.52-19,860.69

Finding the Fourth Proportional to 38,571.85, 57,811.52 and 19,860.69

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Solution

The fourth proportional to 38,571.85, 57,811.52 and 19,860.69 is: 29,767.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,571.85 : 57,811.52 = 19,860.69 : x
  2. Step 2: Convert to fraction form
    38,571.85/57,811.52 = 19,860.69/x
  3. Step 3: Cross multiply
    38,571.85x = 57,811.52 × 19,860.69
  4. Step 4: Simplify right side
    38,571.85x = 1,148,176,943.59
  5. Step 5: Solve for x
    x = 1,148,176,943.59/38,571.85
  6. Step 6: Final answer
    x = 29,767.23

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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.