Home / 39,402.46-59,106.57-11,321.38

Finding the Fourth Proportional to 39,402.46, 59,106.57 and 11,321.38

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Solution

The fourth proportional to 39,402.46, 59,106.57 and 11,321.38 is: 16,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,402.46 : 59,106.57 = 11,321.38 : x
  2. Step 2: Convert to fraction form
    39,402.46/59,106.57 = 11,321.38/x
  3. Step 3: Cross multiply
    39,402.46x = 59,106.57 × 11,321.38
  4. Step 4: Simplify right side
    39,402.46x = 669,167,939.47
  5. Step 5: Solve for x
    x = 669,167,939.47/39,402.46
  6. Step 6: Final answer
    x = 16,982.90

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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.