Home / 38,119.55-57,231.69-19,412.15

Finding the Fourth Proportional to 38,119.55, 57,231.69 and 19,412.15

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Solution

The fourth proportional to 38,119.55, 57,231.69 and 19,412.15 is: 29,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,119.55 : 57,231.69 = 19,412.15 : x
  2. Step 2: Convert to fraction form
    38,119.55/57,231.69 = 19,412.15/x
  3. Step 3: Cross multiply
    38,119.55x = 57,231.69 × 19,412.15
  4. Step 4: Simplify right side
    38,119.55x = 1,110,989,864.88
  5. Step 5: Solve for x
    x = 1,110,989,864.88/38,119.55
  6. Step 6: Final answer
    x = 29,144.89

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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.