Home / 39,899.86-54,662.58-38,404.19

Finding the Fourth Proportional to 39,899.86, 54,662.58 and 38,404.19

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Solution

The fourth proportional to 39,899.86, 54,662.58 and 38,404.19 is: 52,613.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,899.86 : 54,662.58 = 38,404.19 : x
  2. Step 2: Convert to fraction form
    39,899.86/54,662.58 = 38,404.19/x
  3. Step 3: Cross multiply
    39,899.86x = 54,662.58 × 38,404.19
  4. Step 4: Simplify right side
    39,899.86x = 2,099,272,244.87
  5. Step 5: Solve for x
    x = 2,099,272,244.87/39,899.86
  6. Step 6: Final answer
    x = 52,613.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.