Home / 35,679.30-49,236.84-19,764.42

Finding the Fourth Proportional to 35,679.30, 49,236.84 and 19,764.42

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Solution

The fourth proportional to 35,679.30, 49,236.84 and 19,764.42 is: 27,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,679.30 : 49,236.84 = 19,764.42 : x
  2. Step 2: Convert to fraction form
    35,679.30/49,236.84 = 19,764.42/x
  3. Step 3: Cross multiply
    35,679.30x = 49,236.84 × 19,764.42
  4. Step 4: Simplify right side
    35,679.30x = 973,137,585.23
  5. Step 5: Solve for x
    x = 973,137,585.23/35,679.30
  6. Step 6: Final answer
    x = 27,274.57

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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.