Home / 57,821.52-86,738.08-15,702.24

Finding the Fourth Proportional to 57,821.52, 86,738.08 and 15,702.24

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Solution

The fourth proportional to 57,821.52, 86,738.08 and 15,702.24 is: 23,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,821.52 : 86,738.08 = 15,702.24 : x
  2. Step 2: Convert to fraction form
    57,821.52/86,738.08 = 15,702.24/x
  3. Step 3: Cross multiply
    57,821.52x = 86,738.08 × 15,702.24
  4. Step 4: Simplify right side
    57,821.52x = 1,361,982,149.30
  5. Step 5: Solve for x
    x = 1,361,982,149.30/57,821.52
  6. Step 6: Final answer
    x = 23,554.94

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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.