Home / 36,009.14-54,020.12-12,319.32

Finding the Fourth Proportional to 36,009.14, 54,020.12 and 12,319.32

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Solution

The fourth proportional to 36,009.14, 54,020.12 and 12,319.32 is: 18,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,009.14 : 54,020.12 = 12,319.32 : x
  2. Step 2: Convert to fraction form
    36,009.14/54,020.12 = 12,319.32/x
  3. Step 3: Cross multiply
    36,009.14x = 54,020.12 × 12,319.32
  4. Step 4: Simplify right side
    36,009.14x = 665,491,144.72
  5. Step 5: Solve for x
    x = 665,491,144.72/36,009.14
  6. Step 6: Final answer
    x = 18,481.17

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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.