Home / 39,805.40-59,691.08-13,498.22

Finding the Fourth Proportional to 39,805.40, 59,691.08 and 13,498.22

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Solution

The fourth proportional to 39,805.40, 59,691.08 and 13,498.22 is: 20,241.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,805.40 : 59,691.08 = 13,498.22 : x
  2. Step 2: Convert to fraction form
    39,805.40/59,691.08 = 13,498.22/x
  3. Step 3: Cross multiply
    39,805.40x = 59,691.08 × 13,498.22
  4. Step 4: Simplify right side
    39,805.40x = 805,723,329.88
  5. Step 5: Solve for x
    x = 805,723,329.88/39,805.40
  6. Step 6: Final answer
    x = 20,241.56

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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.