Home / 49,735.50-68,634.99-28,521.78

Finding the Fourth Proportional to 49,735.50, 68,634.99 and 28,521.78

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Solution

The fourth proportional to 49,735.50, 68,634.99 and 28,521.78 is: 39,360.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,735.50 : 68,634.99 = 28,521.78 : x
  2. Step 2: Convert to fraction form
    49,735.50/68,634.99 = 28,521.78/x
  3. Step 3: Cross multiply
    49,735.50x = 68,634.99 × 28,521.78
  4. Step 4: Simplify right side
    49,735.50x = 1,957,592,085.08
  5. Step 5: Solve for x
    x = 1,957,592,085.08/49,735.50
  6. Step 6: Final answer
    x = 39,360.06

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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.