Home / 39,836.98-54,973.96-21,932.12

Finding the Fourth Proportional to 39,836.98, 54,973.96 and 21,932.12

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Solution

The fourth proportional to 39,836.98, 54,973.96 and 21,932.12 is: 30,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,836.98 : 54,973.96 = 21,932.12 : x
  2. Step 2: Convert to fraction form
    39,836.98/54,973.96 = 21,932.12/x
  3. Step 3: Cross multiply
    39,836.98x = 54,973.96 × 21,932.12
  4. Step 4: Simplify right side
    39,836.98x = 1,205,695,199.02
  5. Step 5: Solve for x
    x = 1,205,695,199.02/39,836.98
  6. Step 6: Final answer
    x = 30,265.73

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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.