Home / 55,119.38-82,613.43-38,388.83

Finding the Fourth Proportional to 55,119.38, 82,613.43 and 38,388.83

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Solution

The fourth proportional to 55,119.38, 82,613.43 and 38,388.83 is: 57,537.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,119.38 : 82,613.43 = 38,388.83 : x
  2. Step 2: Convert to fraction form
    55,119.38/82,613.43 = 38,388.83/x
  3. Step 3: Cross multiply
    55,119.38x = 82,613.43 × 38,388.83
  4. Step 4: Simplify right side
    55,119.38x = 3,171,432,919.99
  5. Step 5: Solve for x
    x = 3,171,432,919.99/55,119.38
  6. Step 6: Final answer
    x = 57,537.53

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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.