Home / 41,181.99-61,772.40-13,103.79

Finding the Fourth Proportional to 41,181.99, 61,772.40 and 13,103.79

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Solution

The fourth proportional to 41,181.99, 61,772.40 and 13,103.79 is: 19,655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,181.99 : 61,772.40 = 13,103.79 : x
  2. Step 2: Convert to fraction form
    41,181.99/61,772.40 = 13,103.79/x
  3. Step 3: Cross multiply
    41,181.99x = 61,772.40 × 13,103.79
  4. Step 4: Simplify right side
    41,181.99x = 809,452,557.40
  5. Step 5: Solve for x
    x = 809,452,557.40/41,181.99
  6. Step 6: Final answer
    x = 19,655.50

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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.