Home / 55,514.80-83,272.20-13,961.80

Finding the Fourth Proportional to 55,514.80, 83,272.20 and 13,961.80

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Solution

The fourth proportional to 55,514.80, 83,272.20 and 13,961.80 is: 20,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,514.80 : 83,272.20 = 13,961.80 : x
  2. Step 2: Convert to fraction form
    55,514.80/83,272.20 = 13,961.80/x
  3. Step 3: Cross multiply
    55,514.80x = 83,272.20 × 13,961.80
  4. Step 4: Simplify right side
    55,514.80x = 1,162,629,801.96
  5. Step 5: Solve for x
    x = 1,162,629,801.96/55,514.80
  6. Step 6: Final answer
    x = 20,942.70

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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.