Home / 30,081.96-45,115.56-11,363.76

Finding the Fourth Proportional to 30,081.96, 45,115.56 and 11,363.76

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Solution

The fourth proportional to 30,081.96, 45,115.56 and 11,363.76 is: 17,042.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081.96 : 45,115.56 = 11,363.76 : x
  2. Step 2: Convert to fraction form
    30,081.96/45,115.56 = 11,363.76/x
  3. Step 3: Cross multiply
    30,081.96x = 45,115.56 × 11,363.76
  4. Step 4: Simplify right side
    30,081.96x = 512,682,396.11
  5. Step 5: Solve for x
    x = 512,682,396.11/30,081.96
  6. Step 6: Final answer
    x = 17,042.85

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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.