Home / 31,824.25-47,758.29-11,047.75

Finding the Fourth Proportional to 31,824.25, 47,758.29 and 11,047.75

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Solution

The fourth proportional to 31,824.25, 47,758.29 and 11,047.75 is: 16,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,824.25 : 47,758.29 = 11,047.75 : x
  2. Step 2: Convert to fraction form
    31,824.25/47,758.29 = 11,047.75/x
  3. Step 3: Cross multiply
    31,824.25x = 47,758.29 × 11,047.75
  4. Step 4: Simplify right side
    31,824.25x = 527,621,648.35
  5. Step 5: Solve for x
    x = 527,621,648.35/31,824.25
  6. Step 6: Final answer
    x = 16,579.23

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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.