Home / 35,778.60-49,375.74-19,863.30

Finding the Fourth Proportional to 35,778.60, 49,375.74 and 19,863.30

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Solution

The fourth proportional to 35,778.60, 49,375.74 and 19,863.30 is: 27,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.60 : 49,375.74 = 19,863.30 : x
  2. Step 2: Convert to fraction form
    35,778.60/49,375.74 = 19,863.30/x
  3. Step 3: Cross multiply
    35,778.60x = 49,375.74 × 19,863.30
  4. Step 4: Simplify right side
    35,778.60x = 980,765,136.34
  5. Step 5: Solve for x
    x = 980,765,136.34/35,778.60
  6. Step 6: Final answer
    x = 27,412.06

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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.