Home / 36,106.27-54,138.56-11,139.61

Finding the Fourth Proportional to 36,106.27, 54,138.56 and 11,139.61

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Solution

The fourth proportional to 36,106.27, 54,138.56 and 11,139.61 is: 16,702.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,106.27 : 54,138.56 = 11,139.61 : x
  2. Step 2: Convert to fraction form
    36,106.27/54,138.56 = 11,139.61/x
  3. Step 3: Cross multiply
    36,106.27x = 54,138.56 × 11,139.61
  4. Step 4: Simplify right side
    36,106.27x = 603,082,444.36
  5. Step 5: Solve for x
    x = 603,082,444.36/36,106.27
  6. Step 6: Final answer
    x = 16,702.98

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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.