Home / 41,390.32-62,075.20-11,808.42

Finding the Fourth Proportional to 41,390.32, 62,075.20 and 11,808.42

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Solution

The fourth proportional to 41,390.32, 62,075.20 and 11,808.42 is: 17,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,390.32 : 62,075.20 = 11,808.42 : x
  2. Step 2: Convert to fraction form
    41,390.32/62,075.20 = 11,808.42/x
  3. Step 3: Cross multiply
    41,390.32x = 62,075.20 × 11,808.42
  4. Step 4: Simplify right side
    41,390.32x = 733,010,033.18
  5. Step 5: Solve for x
    x = 733,010,033.18/41,390.32
  6. Step 6: Final answer
    x = 17,709.70

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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.