Home / 38,119.18-57,179.23-18,130.80

Finding the Fourth Proportional to 38,119.18, 57,179.23 and 18,130.80

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Solution

The fourth proportional to 38,119.18, 57,179.23 and 18,130.80 is: 27,196.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,119.18 : 57,179.23 = 18,130.80 : x
  2. Step 2: Convert to fraction form
    38,119.18/57,179.23 = 18,130.80/x
  3. Step 3: Cross multiply
    38,119.18x = 57,179.23 × 18,130.80
  4. Step 4: Simplify right side
    38,119.18x = 1,036,705,136.65
  5. Step 5: Solve for x
    x = 1,036,705,136.65/38,119.18
  6. Step 6: Final answer
    x = 27,196.42

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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.