Home / 55,933.20-83,932.20-20,876.40

Finding the Fourth Proportional to 55,933.20, 83,932.20 and 20,876.40

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Solution

The fourth proportional to 55,933.20, 83,932.20 and 20,876.40 is: 31,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,933.20 : 83,932.20 = 20,876.40 : x
  2. Step 2: Convert to fraction form
    55,933.20/83,932.20 = 20,876.40/x
  3. Step 3: Cross multiply
    55,933.20x = 83,932.20 × 20,876.40
  4. Step 4: Simplify right side
    55,933.20x = 1,752,202,180.08
  5. Step 5: Solve for x
    x = 1,752,202,180.08/55,933.20
  6. Step 6: Final answer
    x = 31,326.69

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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.