Home / 34,893.20-48,151.60-19,787.28

Finding the Fourth Proportional to 34,893.20, 48,151.60 and 19,787.28

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Solution

The fourth proportional to 34,893.20, 48,151.60 and 19,787.28 is: 27,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,893.20 : 48,151.60 = 19,787.28 : x
  2. Step 2: Convert to fraction form
    34,893.20/48,151.60 = 19,787.28/x
  3. Step 3: Cross multiply
    34,893.20x = 48,151.60 × 19,787.28
  4. Step 4: Simplify right side
    34,893.20x = 952,789,191.65
  5. Step 5: Solve for x
    x = 952,789,191.65/34,893.20
  6. Step 6: Final answer
    x = 27,305.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.