Home / 31,158.11-46,683.99-17,129.89

Finding the Fourth Proportional to 31,158.11, 46,683.99 and 17,129.89

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Solution

The fourth proportional to 31,158.11, 46,683.99 and 17,129.89 is: 25,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,158.11 : 46,683.99 = 17,129.89 : x
  2. Step 2: Convert to fraction form
    31,158.11/46,683.99 = 17,129.89/x
  3. Step 3: Cross multiply
    31,158.11x = 46,683.99 × 17,129.89
  4. Step 4: Simplify right side
    31,158.11x = 799,691,496.75
  5. Step 5: Solve for x
    x = 799,691,496.75/31,158.11
  6. Step 6: Final answer
    x = 25,665.60

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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.