Home / 34,799.32-52,131.80-20,770.56

Finding the Fourth Proportional to 34,799.32, 52,131.80 and 20,770.56

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Solution

The fourth proportional to 34,799.32, 52,131.80 and 20,770.56 is: 31,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,799.32 : 52,131.80 = 20,770.56 : x
  2. Step 2: Convert to fraction form
    34,799.32/52,131.80 = 20,770.56/x
  3. Step 3: Cross multiply
    34,799.32x = 52,131.80 × 20,770.56
  4. Step 4: Simplify right side
    34,799.32x = 1,082,806,679.81
  5. Step 5: Solve for x
    x = 1,082,806,679.81/34,799.32
  6. Step 6: Final answer
    x = 31,115.74

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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.