Home / 35,115.12-48,452.31-19,797.12

Finding the Fourth Proportional to 35,115.12, 48,452.31 and 19,797.12

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Solution

The fourth proportional to 35,115.12, 48,452.31 and 19,797.12 is: 27,316.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,115.12 : 48,452.31 = 19,797.12 : x
  2. Step 2: Convert to fraction form
    35,115.12/48,452.31 = 19,797.12/x
  3. Step 3: Cross multiply
    35,115.12x = 48,452.31 × 19,797.12
  4. Step 4: Simplify right side
    35,115.12x = 959,216,195.35
  5. Step 5: Solve for x
    x = 959,216,195.35/35,115.12
  6. Step 6: Final answer
    x = 27,316.33

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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.