Home / 35,187.20-48,556.40-19,268.56

Finding the Fourth Proportional to 35,187.20, 48,556.40 and 19,268.56

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Solution

The fourth proportional to 35,187.20, 48,556.40 and 19,268.56 is: 26,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,187.20 : 48,556.40 = 19,268.56 : x
  2. Step 2: Convert to fraction form
    35,187.20/48,556.40 = 19,268.56/x
  3. Step 3: Cross multiply
    35,187.20x = 48,556.40 × 19,268.56
  4. Step 4: Simplify right side
    35,187.20x = 935,611,906.78
  5. Step 5: Solve for x
    x = 935,611,906.78/35,187.20
  6. Step 6: Final answer
    x = 26,589.55

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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.