Home / 35,268.38-48,672.18-21,129.42

Finding the Fourth Proportional to 35,268.38, 48,672.18 and 21,129.42

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Solution

The fourth proportional to 35,268.38, 48,672.18 and 21,129.42 is: 29,159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,268.38 : 48,672.18 = 21,129.42 : x
  2. Step 2: Convert to fraction form
    35,268.38/48,672.18 = 21,129.42/x
  3. Step 3: Cross multiply
    35,268.38x = 48,672.18 × 21,129.42
  4. Step 4: Simplify right side
    35,268.38x = 1,028,414,933.54
  5. Step 5: Solve for x
    x = 1,028,414,933.54/35,268.38
  6. Step 6: Final answer
    x = 29,159.69

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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.