Home / 39,611.84-59,404.79-18,545.36

Finding the Fourth Proportional to 39,611.84, 59,404.79 and 18,545.36

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Solution

The fourth proportional to 39,611.84, 59,404.79 and 18,545.36 is: 27,811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611.84 : 59,404.79 = 18,545.36 : x
  2. Step 2: Convert to fraction form
    39,611.84/59,404.79 = 18,545.36/x
  3. Step 3: Cross multiply
    39,611.84x = 59,404.79 × 18,545.36
  4. Step 4: Simplify right side
    39,611.84x = 1,101,682,965.61
  5. Step 5: Solve for x
    x = 1,101,682,965.61/39,611.84
  6. Step 6: Final answer
    x = 27,811.96

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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.