Home / 36,383.79-54,575.51-31,438.38

Finding the Fourth Proportional to 36,383.79, 54,575.51 and 31,438.38

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Solution

The fourth proportional to 36,383.79, 54,575.51 and 31,438.38 is: 47,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,383.79 : 54,575.51 = 31,438.38 : x
  2. Step 2: Convert to fraction form
    36,383.79/54,575.51 = 31,438.38/x
  3. Step 3: Cross multiply
    36,383.79x = 54,575.51 × 31,438.38
  4. Step 4: Simplify right side
    36,383.79x = 1,715,765,464.88
  5. Step 5: Solve for x
    x = 1,715,765,464.88/36,383.79
  6. Step 6: Final answer
    x = 47,157.41

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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.