Home / 38,317.82-57,509.52-21,694.18

Finding the Fourth Proportional to 38,317.82, 57,509.52 and 21,694.18

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Solution

The fourth proportional to 38,317.82, 57,509.52 and 21,694.18 is: 32,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,317.82 : 57,509.52 = 21,694.18 : x
  2. Step 2: Convert to fraction form
    38,317.82/57,509.52 = 21,694.18/x
  3. Step 3: Cross multiply
    38,317.82x = 57,509.52 × 21,694.18
  4. Step 4: Simplify right side
    38,317.82x = 1,247,621,878.59
  5. Step 5: Solve for x
    x = 1,247,621,878.59/38,317.82
  6. Step 6: Final answer
    x = 32,559.83

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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.