Home / 38,221.76-52,751.40-22,314.80

Finding the Fourth Proportional to 38,221.76, 52,751.40 and 22,314.80

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Solution

The fourth proportional to 38,221.76, 52,751.40 and 22,314.80 is: 30,797.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,221.76 : 52,751.40 = 22,314.80 : x
  2. Step 2: Convert to fraction form
    38,221.76/52,751.40 = 22,314.80/x
  3. Step 3: Cross multiply
    38,221.76x = 52,751.40 × 22,314.80
  4. Step 4: Simplify right side
    38,221.76x = 1,177,136,940.72
  5. Step 5: Solve for x
    x = 1,177,136,940.72/38,221.76
  6. Step 6: Final answer
    x = 30,797.56

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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.