Home / 35,778.30-49,371.84-19,861.80

Finding the Fourth Proportional to 35,778.30, 49,371.84 and 19,861.80

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Solution

The fourth proportional to 35,778.30, 49,371.84 and 19,861.80 is: 27,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.30 : 49,371.84 = 19,861.80 : x
  2. Step 2: Convert to fraction form
    35,778.30/49,371.84 = 19,861.80/x
  3. Step 3: Cross multiply
    35,778.30x = 49,371.84 × 19,861.80
  4. Step 4: Simplify right side
    35,778.30x = 980,613,611.71
  5. Step 5: Solve for x
    x = 980,613,611.71/35,778.30
  6. Step 6: Final answer
    x = 27,408.05

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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.