Home / 39,351.96-54,305.88-21,447.12

Finding the Fourth Proportional to 39,351.96, 54,305.88 and 21,447.12

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Solution

The fourth proportional to 39,351.96, 54,305.88 and 21,447.12 is: 29,597.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351.96 : 54,305.88 = 21,447.12 : x
  2. Step 2: Convert to fraction form
    39,351.96/54,305.88 = 21,447.12/x
  3. Step 3: Cross multiply
    39,351.96x = 54,305.88 × 21,447.12
  4. Step 4: Simplify right side
    39,351.96x = 1,164,704,725.07
  5. Step 5: Solve for x
    x = 1,164,704,725.07/39,351.96
  6. Step 6: Final answer
    x = 29,597.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.