Home / 31,156.96-46,724.40-10,091.92

Finding the Fourth Proportional to 31,156.96, 46,724.40 and 10,091.92

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Solution

The fourth proportional to 31,156.96, 46,724.40 and 10,091.92 is: 15,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,156.96 : 46,724.40 = 10,091.92 : x
  2. Step 2: Convert to fraction form
    31,156.96/46,724.40 = 10,091.92/x
  3. Step 3: Cross multiply
    31,156.96x = 46,724.40 × 10,091.92
  4. Step 4: Simplify right side
    31,156.96x = 471,538,906.85
  5. Step 5: Solve for x
    x = 471,538,906.85/31,156.96
  6. Step 6: Final answer
    x = 15,134.30

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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.