Home / 31,282.16-46,923.39-7,908.62

Finding the Fourth Proportional to 31,282.16, 46,923.39 and 7,908.62

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Solution

The fourth proportional to 31,282.16, 46,923.39 and 7,908.62 is: 11,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.16 : 46,923.39 = 7,908.62 : x
  2. Step 2: Convert to fraction form
    31,282.16/46,923.39 = 7,908.62/x
  3. Step 3: Cross multiply
    31,282.16x = 46,923.39 × 7,908.62
  4. Step 4: Simplify right side
    31,282.16x = 371,099,026.00
  5. Step 5: Solve for x
    x = 371,099,026.00/31,282.16
  6. Step 6: Final answer
    x = 11,862.96

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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.