Home / 74,739.80-112,110-22,149.68

Finding the Fourth Proportional to 74,739.80, 112,110 and 22,149.68

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Solution

The fourth proportional to 74,739.80, 112,110 and 22,149.68 is: 33,224.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,739.80 : 112,110 = 22,149.68 : x
  2. Step 2: Convert to fraction form
    74,739.80/112,110 = 22,149.68/x
  3. Step 3: Cross multiply
    74,739.80x = 112,110 × 22,149.68
  4. Step 4: Simplify right side
    74,739.80x = 2,483,200,624.80
  5. Step 5: Solve for x
    x = 2,483,200,624.80/74,739.80
  6. Step 6: Final answer
    x = 33,224.61

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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.