Home / 39,811.62-59,738.40-17,640.30

Finding the Fourth Proportional to 39,811.62, 59,738.40 and 17,640.30

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Solution

The fourth proportional to 39,811.62, 59,738.40 and 17,640.30 is: 26,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811.62 : 59,738.40 = 17,640.30 : x
  2. Step 2: Convert to fraction form
    39,811.62/59,738.40 = 17,640.30/x
  3. Step 3: Cross multiply
    39,811.62x = 59,738.40 × 17,640.30
  4. Step 4: Simplify right side
    39,811.62x = 1,053,803,297.52
  5. Step 5: Solve for x
    x = 1,053,803,297.52/39,811.62
  6. Step 6: Final answer
    x = 26,469.74

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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.