Home / 30,132.46-41,530.84-20,042.83

Finding the Fourth Proportional to 30,132.46, 41,530.84 and 20,042.83

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Solution

The fourth proportional to 30,132.46, 41,530.84 and 20,042.83 is: 27,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132.46 : 41,530.84 = 20,042.83 : x
  2. Step 2: Convert to fraction form
    30,132.46/41,530.84 = 20,042.83/x
  3. Step 3: Cross multiply
    30,132.46x = 41,530.84 × 20,042.83
  4. Step 4: Simplify right side
    30,132.46x = 832,395,565.88
  5. Step 5: Solve for x
    x = 832,395,565.88/30,132.46
  6. Step 6: Final answer
    x = 27,624.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.