Home / 52,799.21-72,844.68-30,121.85

Finding the Fourth Proportional to 52,799.21, 72,844.68 and 30,121.85

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Solution

The fourth proportional to 52,799.21, 72,844.68 and 30,121.85 is: 41,557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,799.21 : 72,844.68 = 30,121.85 : x
  2. Step 2: Convert to fraction form
    52,799.21/72,844.68 = 30,121.85/x
  3. Step 3: Cross multiply
    52,799.21x = 72,844.68 × 30,121.85
  4. Step 4: Simplify right side
    52,799.21x = 2,194,216,524.26
  5. Step 5: Solve for x
    x = 2,194,216,524.26/52,799.21
  6. Step 6: Final answer
    x = 41,557.75

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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.