Home / 35,682.32-49,241.60-19,767.80

Finding the Fourth Proportional to 35,682.32, 49,241.60 and 19,767.80

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Solution

The fourth proportional to 35,682.32, 49,241.60 and 19,767.80 is: 27,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,682.32 : 49,241.60 = 19,767.80 : x
  2. Step 2: Convert to fraction form
    35,682.32/49,241.60 = 19,767.80/x
  3. Step 3: Cross multiply
    35,682.32x = 49,241.60 × 19,767.80
  4. Step 4: Simplify right side
    35,682.32x = 973,398,100.48
  5. Step 5: Solve for x
    x = 973,398,100.48/35,682.32
  6. Step 6: Final answer
    x = 27,279.56

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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.