Home / 36,081.67-54,124.33-11,138.78

Finding the Fourth Proportional to 36,081.67, 54,124.33 and 11,138.78

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Solution

The fourth proportional to 36,081.67, 54,124.33 and 11,138.78 is: 16,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081.67 : 54,124.33 = 11,138.78 : x
  2. Step 2: Convert to fraction form
    36,081.67/54,124.33 = 11,138.78/x
  3. Step 3: Cross multiply
    36,081.67x = 54,124.33 × 11,138.78
  4. Step 4: Simplify right side
    36,081.67x = 602,879,111.98
  5. Step 5: Solve for x
    x = 602,879,111.98/36,081.67
  6. Step 6: Final answer
    x = 16,708.74

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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.