Home / 39,197.39-54,093.40-21,293.42

Finding the Fourth Proportional to 39,197.39, 54,093.40 and 21,293.42

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Solution

The fourth proportional to 39,197.39, 54,093.40 and 21,293.42 is: 29,385.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,197.39 : 54,093.40 = 21,293.42 : x
  2. Step 2: Convert to fraction form
    39,197.39/54,093.40 = 21,293.42/x
  3. Step 3: Cross multiply
    39,197.39x = 54,093.40 × 21,293.42
  4. Step 4: Simplify right side
    39,197.39x = 1,151,833,161.73
  5. Step 5: Solve for x
    x = 1,151,833,161.73/39,197.39
  6. Step 6: Final answer
    x = 29,385.46

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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.