Home / 31,774.94-47,662.78-9,588.51

Finding the Fourth Proportional to 31,774.94, 47,662.78 and 9,588.51

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Solution

The fourth proportional to 31,774.94, 47,662.78 and 9,588.51 is: 14,382.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,774.94 : 47,662.78 = 9,588.51 : x
  2. Step 2: Convert to fraction form
    31,774.94/47,662.78 = 9,588.51/x
  3. Step 3: Cross multiply
    31,774.94x = 47,662.78 × 9,588.51
  4. Step 4: Simplify right side
    31,774.94x = 457,015,036.66
  5. Step 5: Solve for x
    x = 457,015,036.66/31,774.94
  6. Step 6: Final answer
    x = 14,382.88

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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.