Home / 30,357.22-41,868.21-25,493.20

Finding the Fourth Proportional to 30,357.22, 41,868.21 and 25,493.20

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Solution

The fourth proportional to 30,357.22, 41,868.21 and 25,493.20 is: 35,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,357.22 : 41,868.21 = 25,493.20 : x
  2. Step 2: Convert to fraction form
    30,357.22/41,868.21 = 25,493.20/x
  3. Step 3: Cross multiply
    30,357.22x = 41,868.21 × 25,493.20
  4. Step 4: Simplify right side
    30,357.22x = 1,067,354,651.17
  5. Step 5: Solve for x
    x = 1,067,354,651.17/30,357.22
  6. Step 6: Final answer
    x = 35,159.83

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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.