Home / 39,790.92-59,676.45-11,705.38

Finding the Fourth Proportional to 39,790.92, 59,676.45 and 11,705.38

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Solution

The fourth proportional to 39,790.92, 59,676.45 and 11,705.38 is: 17,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,790.92 : 59,676.45 = 11,705.38 : x
  2. Step 2: Convert to fraction form
    39,790.92/59,676.45 = 11,705.38/x
  3. Step 3: Cross multiply
    39,790.92x = 59,676.45 × 11,705.38
  4. Step 4: Simplify right side
    39,790.92x = 698,535,524.30
  5. Step 5: Solve for x
    x = 698,535,524.30/39,790.92
  6. Step 6: Final answer
    x = 17,555.15

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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.