Home / 36,077.76-54,121.72-11,119.82

Finding the Fourth Proportional to 36,077.76, 54,121.72 and 11,119.82

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Solution

The fourth proportional to 36,077.76, 54,121.72 and 11,119.82 is: 16,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,077.76 : 54,121.72 = 11,119.82 : x
  2. Step 2: Convert to fraction form
    36,077.76/54,121.72 = 11,119.82/x
  3. Step 3: Cross multiply
    36,077.76x = 54,121.72 × 11,119.82
  4. Step 4: Simplify right side
    36,077.76x = 601,823,784.49
  5. Step 5: Solve for x
    x = 601,823,784.49/36,077.76
  6. Step 6: Final answer
    x = 16,681.30

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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.