Home / 54,396.42-75,067.28-30,521.54

Finding the Fourth Proportional to 54,396.42, 75,067.28 and 30,521.54

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Solution

The fourth proportional to 54,396.42, 75,067.28 and 30,521.54 is: 42,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,396.42 : 75,067.28 = 30,521.54 : x
  2. Step 2: Convert to fraction form
    54,396.42/75,067.28 = 30,521.54/x
  3. Step 3: Cross multiply
    54,396.42x = 75,067.28 × 30,521.54
  4. Step 4: Simplify right side
    54,396.42x = 2,291,168,989.21
  5. Step 5: Solve for x
    x = 2,291,168,989.21/54,396.42
  6. Step 6: Final answer
    x = 42,119.85

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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.