Home / 38,757.22-53,474.29-21,759.83

Finding the Fourth Proportional to 38,757.22, 53,474.29 and 21,759.83

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Solution

The fourth proportional to 38,757.22, 53,474.29 and 21,759.83 is: 30,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,757.22 : 53,474.29 = 21,759.83 : x
  2. Step 2: Convert to fraction form
    38,757.22/53,474.29 = 21,759.83/x
  3. Step 3: Cross multiply
    38,757.22x = 53,474.29 × 21,759.83
  4. Step 4: Simplify right side
    38,757.22x = 1,163,591,459.77
  5. Step 5: Solve for x
    x = 1,163,591,459.77/38,757.22
  6. Step 6: Final answer
    x = 30,022.57

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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.