Home / 39,951.12-54,732.96-38,455.68

Finding the Fourth Proportional to 39,951.12, 54,732.96 and 38,455.68

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Solution

The fourth proportional to 39,951.12, 54,732.96 and 38,455.68 is: 52,684.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951.12 : 54,732.96 = 38,455.68 : x
  2. Step 2: Convert to fraction form
    39,951.12/54,732.96 = 38,455.68/x
  3. Step 3: Cross multiply
    39,951.12x = 54,732.96 × 38,455.68
  4. Step 4: Simplify right side
    39,951.12x = 2,104,793,195.21
  5. Step 5: Solve for x
    x = 2,104,793,195.21/39,951.12
  6. Step 6: Final answer
    x = 52,684.21

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1.5x scale

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.