Home / 36,140.52-49,872.36-19,787.64

Finding the Fourth Proportional to 36,140.52, 49,872.36 and 19,787.64

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Solution

The fourth proportional to 36,140.52, 49,872.36 and 19,787.64 is: 27,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.52 : 49,872.36 = 19,787.64 : x
  2. Step 2: Convert to fraction form
    36,140.52/49,872.36 = 19,787.64/x
  3. Step 3: Cross multiply
    36,140.52x = 49,872.36 × 19,787.64
  4. Step 4: Simplify right side
    36,140.52x = 986,856,305.63
  5. Step 5: Solve for x
    x = 986,856,305.63/36,140.52
  6. Step 6: Final answer
    x = 27,306.09

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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.