Home / 40,795.15-61,181.59-11,205.95

Finding the Fourth Proportional to 40,795.15, 61,181.59 and 11,205.95

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Solution

The fourth proportional to 40,795.15, 61,181.59 and 11,205.95 is: 16,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,795.15 : 61,181.59 = 11,205.95 : x
  2. Step 2: Convert to fraction form
    40,795.15/61,181.59 = 11,205.95/x
  3. Step 3: Cross multiply
    40,795.15x = 61,181.59 × 11,205.95
  4. Step 4: Simplify right side
    40,795.15x = 685,597,838.46
  5. Step 5: Solve for x
    x = 685,597,838.46/40,795.15
  6. Step 6: Final answer
    x = 16,805.87

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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.