Home / 74,237.20-111,375.24-21,645.52

Finding the Fourth Proportional to 74,237.20, 111,375.24 and 21,645.52

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Solution

The fourth proportional to 74,237.20, 111,375.24 and 21,645.52 is: 32,473.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,237.20 : 111,375.24 = 21,645.52 : x
  2. Step 2: Convert to fraction form
    74,237.20/111,375.24 = 21,645.52/x
  3. Step 3: Cross multiply
    74,237.20x = 111,375.24 × 21,645.52
  4. Step 4: Simplify right side
    74,237.20x = 2,410,774,984.92
  5. Step 5: Solve for x
    x = 2,410,774,984.92/74,237.20
  6. Step 6: Final answer
    x = 32,473.95

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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.