Home / 33,347.20-50,020.80-13,621.27

Finding the Fourth Proportional to 33,347.20, 50,020.80 and 13,621.27

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Solution

The fourth proportional to 33,347.20, 50,020.80 and 13,621.27 is: 20,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,347.20 : 50,020.80 = 13,621.27 : x
  2. Step 2: Convert to fraction form
    33,347.20/50,020.80 = 13,621.27/x
  3. Step 3: Cross multiply
    33,347.20x = 50,020.80 × 13,621.27
  4. Step 4: Simplify right side
    33,347.20x = 681,346,822.42
  5. Step 5: Solve for x
    x = 681,346,822.42/33,347.20
  6. Step 6: Final answer
    x = 20,431.91

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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.