Home / 35,016.12-48,320.40-19,906.80

Finding the Fourth Proportional to 35,016.12, 48,320.40 and 19,906.80

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Solution

The fourth proportional to 35,016.12, 48,320.40 and 19,906.80 is: 27,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,016.12 : 48,320.40 = 19,906.80 : x
  2. Step 2: Convert to fraction form
    35,016.12/48,320.40 = 19,906.80/x
  3. Step 3: Cross multiply
    35,016.12x = 48,320.40 × 19,906.80
  4. Step 4: Simplify right side
    35,016.12x = 961,904,538.72
  5. Step 5: Solve for x
    x = 961,904,538.72/35,016.12
  6. Step 6: Final answer
    x = 27,470.33

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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.