Home / 36,078.19-54,122.67-11,116.15

Finding the Fourth Proportional to 36,078.19, 54,122.67 and 11,116.15

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Solution

The fourth proportional to 36,078.19, 54,122.67 and 11,116.15 is: 16,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.19 : 54,122.67 = 11,116.15 : x
  2. Step 2: Convert to fraction form
    36,078.19/54,122.67 = 11,116.15/x
  3. Step 3: Cross multiply
    36,078.19x = 54,122.67 × 11,116.15
  4. Step 4: Simplify right side
    36,078.19x = 601,635,718.12
  5. Step 5: Solve for x
    x = 601,635,718.12/36,078.19
  6. Step 6: Final answer
    x = 16,675.88

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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.