Home / 38,179.55-57,192.78-30,295.42

Finding the Fourth Proportional to 38,179.55, 57,192.78 and 30,295.42

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Solution

The fourth proportional to 38,179.55, 57,192.78 and 30,295.42 is: 45,382.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179.55 : 57,192.78 = 30,295.42 : x
  2. Step 2: Convert to fraction form
    38,179.55/57,192.78 = 30,295.42/x
  3. Step 3: Cross multiply
    38,179.55x = 57,192.78 × 30,295.42
  4. Step 4: Simplify right side
    38,179.55x = 1,732,679,261.69
  5. Step 5: Solve for x
    x = 1,732,679,261.69/38,179.55
  6. Step 6: Final answer
    x = 45,382.39

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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.