Home / 35,067.12-48,398.94-20,920.92

Finding the Fourth Proportional to 35,067.12, 48,398.94 and 20,920.92

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Solution

The fourth proportional to 35,067.12, 48,398.94 and 20,920.92 is: 28,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,067.12 : 48,398.94 = 20,920.92 : x
  2. Step 2: Convert to fraction form
    35,067.12/48,398.94 = 20,920.92/x
  3. Step 3: Cross multiply
    35,067.12x = 48,398.94 × 20,920.92
  4. Step 4: Simplify right side
    35,067.12x = 1,012,550,351.82
  5. Step 5: Solve for x
    x = 1,012,550,351.82/35,067.12
  6. Step 6: Final answer
    x = 28,874.64

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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.