Home / 38,470.52-57,716.40-16,272.20

Finding the Fourth Proportional to 38,470.52, 57,716.40 and 16,272.20

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Solution

The fourth proportional to 38,470.52, 57,716.40 and 16,272.20 is: 24,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,470.52 : 57,716.40 = 16,272.20 : x
  2. Step 2: Convert to fraction form
    38,470.52/57,716.40 = 16,272.20/x
  3. Step 3: Cross multiply
    38,470.52x = 57,716.40 × 16,272.20
  4. Step 4: Simplify right side
    38,470.52x = 939,172,804.08
  5. Step 5: Solve for x
    x = 939,172,804.08/38,470.52
  6. Step 6: Final answer
    x = 24,412.79

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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.