Home / 36,338.21-54,474.30-12,959.18

Finding the Fourth Proportional to 36,338.21, 54,474.30 and 12,959.18

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Solution

The fourth proportional to 36,338.21, 54,474.30 and 12,959.18 is: 19,426.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,338.21 : 54,474.30 = 12,959.18 : x
  2. Step 2: Convert to fraction form
    36,338.21/54,474.30 = 12,959.18/x
  3. Step 3: Cross multiply
    36,338.21x = 54,474.30 × 12,959.18
  4. Step 4: Simplify right side
    36,338.21x = 705,941,986.70
  5. Step 5: Solve for x
    x = 705,941,986.70/36,338.21
  6. Step 6: Final answer
    x = 19,426.99

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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.