Home / 30,331.25-45,660.65-27,279.59

Finding the Fourth Proportional to 30,331.25, 45,660.65 and 27,279.59

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Solution

The fourth proportional to 30,331.25, 45,660.65 and 27,279.59 is: 41,066.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331.25 : 45,660.65 = 27,279.59 : x
  2. Step 2: Convert to fraction form
    30,331.25/45,660.65 = 27,279.59/x
  3. Step 3: Cross multiply
    30,331.25x = 45,660.65 × 27,279.59
  4. Step 4: Simplify right side
    30,331.25x = 1,245,603,446.43
  5. Step 5: Solve for x
    x = 1,245,603,446.43/30,331.25
  6. Step 6: Final answer
    x = 41,066.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.