Home / 31,571.33-47,299.52-18,383.72

Finding the Fourth Proportional to 31,571.33, 47,299.52 and 18,383.72

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Solution

The fourth proportional to 31,571.33, 47,299.52 and 18,383.72 is: 27,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,571.33 : 47,299.52 = 18,383.72 : x
  2. Step 2: Convert to fraction form
    31,571.33/47,299.52 = 18,383.72/x
  3. Step 3: Cross multiply
    31,571.33x = 47,299.52 × 18,383.72
  4. Step 4: Simplify right side
    31,571.33x = 869,540,803.40
  5. Step 5: Solve for x
    x = 869,540,803.40/31,571.33
  6. Step 6: Final answer
    x = 27,542.11

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1.5x scale

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.