Home / 40,198.52-55,477.28-22,299.30

Finding the Fourth Proportional to 40,198.52, 55,477.28 and 22,299.30

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Solution

The fourth proportional to 40,198.52, 55,477.28 and 22,299.30 is: 30,774.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,198.52 : 55,477.28 = 22,299.30 : x
  2. Step 2: Convert to fraction form
    40,198.52/55,477.28 = 22,299.30/x
  3. Step 3: Cross multiply
    40,198.52x = 55,477.28 × 22,299.30
  4. Step 4: Simplify right side
    40,198.52x = 1,237,104,565.65
  5. Step 5: Solve for x
    x = 1,237,104,565.65/40,198.52
  6. Step 6: Final answer
    x = 30,774.88

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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.