Home / 74,621.52-111,933.36-19,217.52

Finding the Fourth Proportional to 74,621.52, 111,933.36 and 19,217.52

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Solution

The fourth proportional to 74,621.52, 111,933.36 and 19,217.52 is: 28,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,621.52 : 111,933.36 = 19,217.52 : x
  2. Step 2: Convert to fraction form
    74,621.52/111,933.36 = 19,217.52/x
  3. Step 3: Cross multiply
    74,621.52x = 111,933.36 × 19,217.52
  4. Step 4: Simplify right side
    74,621.52x = 2,151,081,584.47
  5. Step 5: Solve for x
    x = 2,151,081,584.47/74,621.52
  6. Step 6: Final answer
    x = 28,826.56

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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.