Home / 38,912.15-58,382.02-19,204.54

Finding the Fourth Proportional to 38,912.15, 58,382.02 and 19,204.54

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Solution

The fourth proportional to 38,912.15, 58,382.02 and 19,204.54 is: 28,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,912.15 : 58,382.02 = 19,204.54 : x
  2. Step 2: Convert to fraction form
    38,912.15/58,382.02 = 19,204.54/x
  3. Step 3: Cross multiply
    38,912.15x = 58,382.02 × 19,204.54
  4. Step 4: Simplify right side
    38,912.15x = 1,121,199,936.79
  5. Step 5: Solve for x
    x = 1,121,199,936.79/38,912.15
  6. Step 6: Final answer
    x = 28,813.62

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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.