Home / 38,361.24-57,465.30-30,477.12

Finding the Fourth Proportional to 38,361.24, 57,465.30 and 30,477.12

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Solution

The fourth proportional to 38,361.24, 57,465.30 and 30,477.12 is: 45,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,361.24 : 57,465.30 = 30,477.12 : x
  2. Step 2: Convert to fraction form
    38,361.24/57,465.30 = 30,477.12/x
  3. Step 3: Cross multiply
    38,361.24x = 57,465.30 × 30,477.12
  4. Step 4: Simplify right side
    38,361.24x = 1,751,376,843.94
  5. Step 5: Solve for x
    x = 1,751,376,843.94/38,361.24
  6. Step 6: Final answer
    x = 45,654.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.