Home / 39,792.82-59,706.11-18,732.40

Finding the Fourth Proportional to 39,792.82, 59,706.11 and 18,732.40

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Solution

The fourth proportional to 39,792.82, 59,706.11 and 18,732.40 is: 28,106.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,792.82 : 59,706.11 = 18,732.40 : x
  2. Step 2: Convert to fraction form
    39,792.82/59,706.11 = 18,732.40/x
  3. Step 3: Cross multiply
    39,792.82x = 59,706.11 × 18,732.40
  4. Step 4: Simplify right side
    39,792.82x = 1,118,438,734.96
  5. Step 5: Solve for x
    x = 1,118,438,734.96/39,792.82
  6. Step 6: Final answer
    x = 28,106.55

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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.