Home / 36,801.26-55,117.82-21,979.78

Finding the Fourth Proportional to 36,801.26, 55,117.82 and 21,979.78

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Solution

The fourth proportional to 36,801.26, 55,117.82 and 21,979.78 is: 32,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,801.26 : 55,117.82 = 21,979.78 : x
  2. Step 2: Convert to fraction form
    36,801.26/55,117.82 = 21,979.78/x
  3. Step 3: Cross multiply
    36,801.26x = 55,117.82 × 21,979.78
  4. Step 4: Simplify right side
    36,801.26x = 1,211,477,474.83
  5. Step 5: Solve for x
    x = 1,211,477,474.83/36,801.26
  6. Step 6: Final answer
    x = 32,919.46

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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.