Home / 20,840.80-31,262.82-6,049.93

Finding the Fourth Proportional to 20,840.80, 31,262.82 and 6,049.93

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Solution

The fourth proportional to 20,840.80, 31,262.82 and 6,049.93 is: 9,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,840.80 : 31,262.82 = 6,049.93 : x
  2. Step 2: Convert to fraction form
    20,840.80/31,262.82 = 6,049.93/x
  3. Step 3: Cross multiply
    20,840.80x = 31,262.82 × 6,049.93
  4. Step 4: Simplify right side
    20,840.80x = 189,137,872.60
  5. Step 5: Solve for x
    x = 189,137,872.60/20,840.80
  6. Step 6: Final answer
    x = 9,075.37

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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.