Home / 38,218.20-52,741.36-21,222.24

Finding the Fourth Proportional to 38,218.20, 52,741.36 and 21,222.24

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Solution

The fourth proportional to 38,218.20, 52,741.36 and 21,222.24 is: 29,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,218.20 : 52,741.36 = 21,222.24 : x
  2. Step 2: Convert to fraction form
    38,218.20/52,741.36 = 21,222.24/x
  3. Step 3: Cross multiply
    38,218.20x = 52,741.36 × 21,222.24
  4. Step 4: Simplify right side
    38,218.20x = 1,119,289,799.85
  5. Step 5: Solve for x
    x = 1,119,289,799.85/38,218.20
  6. Step 6: Final answer
    x = 29,286.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.