Home / 35,781.44-49,378.20-19,649.06

Finding the Fourth Proportional to 35,781.44, 49,378.20 and 19,649.06

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Solution

The fourth proportional to 35,781.44, 49,378.20 and 19,649.06 is: 27,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,781.44 : 49,378.20 = 19,649.06 : x
  2. Step 2: Convert to fraction form
    35,781.44/49,378.20 = 19,649.06/x
  3. Step 3: Cross multiply
    35,781.44x = 49,378.20 × 19,649.06
  4. Step 4: Simplify right side
    35,781.44x = 970,235,214.49
  5. Step 5: Solve for x
    x = 970,235,214.49/35,781.44
  6. Step 6: Final answer
    x = 27,115.60

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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.