Home / 38,238.12-52,763.22-21,241.08

Finding the Fourth Proportional to 38,238.12, 52,763.22 and 21,241.08

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Solution

The fourth proportional to 38,238.12, 52,763.22 and 21,241.08 is: 29,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238.12 : 52,763.22 = 21,241.08 : x
  2. Step 2: Convert to fraction form
    38,238.12/52,763.22 = 21,241.08/x
  3. Step 3: Cross multiply
    38,238.12x = 52,763.22 × 21,241.08
  4. Step 4: Simplify right side
    38,238.12x = 1,120,747,777.08
  5. Step 5: Solve for x
    x = 1,120,747,777.08/38,238.12
  6. Step 6: Final answer
    x = 29,309.70

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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.