Home / 45,279.12-67,922.32-17,212.62

Finding the Fourth Proportional to 45,279.12, 67,922.32 and 17,212.62

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Solution

The fourth proportional to 45,279.12, 67,922.32 and 17,212.62 is: 25,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,279.12 : 67,922.32 = 17,212.62 : x
  2. Step 2: Convert to fraction form
    45,279.12/67,922.32 = 17,212.62/x
  3. Step 3: Cross multiply
    45,279.12x = 67,922.32 × 17,212.62
  4. Step 4: Simplify right side
    45,279.12x = 1,169,121,083.68
  5. Step 5: Solve for x
    x = 1,169,121,083.68/45,279.12
  6. Step 6: Final answer
    x = 25,820.31

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1.5x scale

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.