Home / 35,067.06-48,392.64-20,919.60

Finding the Fourth Proportional to 35,067.06, 48,392.64 and 20,919.60

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Solution

The fourth proportional to 35,067.06, 48,392.64 and 20,919.60 is: 28,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,067.06 : 48,392.64 = 20,919.60 : x
  2. Step 2: Convert to fraction form
    35,067.06/48,392.64 = 20,919.60/x
  3. Step 3: Cross multiply
    35,067.06x = 48,392.64 × 20,919.60
  4. Step 4: Simplify right side
    35,067.06x = 1,012,354,671.74
  5. Step 5: Solve for x
    x = 1,012,354,671.74/35,067.06
  6. Step 6: Final answer
    x = 28,869.11

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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.