Home / 52,311.38-78,499.38-20,716.12

Finding the Fourth Proportional to 52,311.38, 78,499.38 and 20,716.12

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Solution

The fourth proportional to 52,311.38, 78,499.38 and 20,716.12 is: 31,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.38 : 78,499.38 = 20,716.12 : x
  2. Step 2: Convert to fraction form
    52,311.38/78,499.38 = 20,716.12/x
  3. Step 3: Cross multiply
    52,311.38x = 78,499.38 × 20,716.12
  4. Step 4: Simplify right side
    52,311.38x = 1,626,202,576.01
  5. Step 5: Solve for x
    x = 1,626,202,576.01/52,311.38
  6. Step 6: Final answer
    x = 31,086.98

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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.