Home / 39,813.39-59,674.82-20,808.73

Finding the Fourth Proportional to 39,813.39, 59,674.82 and 20,808.73

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Solution

The fourth proportional to 39,813.39, 59,674.82 and 20,808.73 is: 31,189.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,813.39 : 59,674.82 = 20,808.73 : x
  2. Step 2: Convert to fraction form
    39,813.39/59,674.82 = 20,808.73/x
  3. Step 3: Cross multiply
    39,813.39x = 59,674.82 × 20,808.73
  4. Step 4: Simplify right side
    39,813.39x = 1,241,757,187.73
  5. Step 5: Solve for x
    x = 1,241,757,187.73/39,813.39
  6. Step 6: Final answer
    x = 31,189.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.