Home / 31,177.73-46,773.50-8,989.38

Finding the Fourth Proportional to 31,177.73, 46,773.50 and 8,989.38

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Solution

The fourth proportional to 31,177.73, 46,773.50 and 8,989.38 is: 13,486.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.73 : 46,773.50 = 8,989.38 : x
  2. Step 2: Convert to fraction form
    31,177.73/46,773.50 = 8,989.38/x
  3. Step 3: Cross multiply
    31,177.73x = 46,773.50 × 8,989.38
  4. Step 4: Simplify right side
    31,177.73x = 420,464,720.48
  5. Step 5: Solve for x
    x = 420,464,720.48/31,177.73
  6. Step 6: Final answer
    x = 13,486.06

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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.