Home / 38,908.81-58,381.43-19,176.60

Finding the Fourth Proportional to 38,908.81, 58,381.43 and 19,176.60

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Solution

The fourth proportional to 38,908.81, 58,381.43 and 19,176.60 is: 28,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,908.81 : 58,381.43 = 19,176.60 : x
  2. Step 2: Convert to fraction form
    38,908.81/58,381.43 = 19,176.60/x
  3. Step 3: Cross multiply
    38,908.81x = 58,381.43 × 19,176.60
  4. Step 4: Simplify right side
    38,908.81x = 1,119,557,330.54
  5. Step 5: Solve for x
    x = 1,119,557,330.54/38,908.81
  6. Step 6: Final answer
    x = 28,773.88

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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.