Home / 31,375.24-47,064.48-13,845.22

Finding the Fourth Proportional to 31,375.24, 47,064.48 and 13,845.22

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Solution

The fourth proportional to 31,375.24, 47,064.48 and 13,845.22 is: 20,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375.24 : 47,064.48 = 13,845.22 : x
  2. Step 2: Convert to fraction form
    31,375.24/47,064.48 = 13,845.22/x
  3. Step 3: Cross multiply
    31,375.24x = 47,064.48 × 13,845.22
  4. Step 4: Simplify right side
    31,375.24x = 651,618,079.79
  5. Step 5: Solve for x
    x = 651,618,079.79/31,375.24
  6. Step 6: Final answer
    x = 20,768.54

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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.