Home / 35,778.24-49,375.17-19,861.20

Finding the Fourth Proportional to 35,778.24, 49,375.17 and 19,861.20

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Solution

The fourth proportional to 35,778.24, 49,375.17 and 19,861.20 is: 27,409.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.24 : 49,375.17 = 19,861.20 : x
  2. Step 2: Convert to fraction form
    35,778.24/49,375.17 = 19,861.20/x
  3. Step 3: Cross multiply
    35,778.24x = 49,375.17 × 19,861.20
  4. Step 4: Simplify right side
    35,778.24x = 980,650,126.40
  5. Step 5: Solve for x
    x = 980,650,126.40/35,778.24
  6. Step 6: Final answer
    x = 27,409.12

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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.