Home / 52,809.28-79,213.92-21,233.76

Finding the Fourth Proportional to 52,809.28, 79,213.92 and 21,233.76

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Solution

The fourth proportional to 52,809.28, 79,213.92 and 21,233.76 is: 31,850.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,809.28 : 79,213.92 = 21,233.76 : x
  2. Step 2: Convert to fraction form
    52,809.28/79,213.92 = 21,233.76/x
  3. Step 3: Cross multiply
    52,809.28x = 79,213.92 × 21,233.76
  4. Step 4: Simplify right side
    52,809.28x = 1,682,009,365.94
  5. Step 5: Solve for x
    x = 1,682,009,365.94/52,809.28
  6. Step 6: Final answer
    x = 31,850.64

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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.