Home / 38,159.97-52,661.05-21,163.26

Finding the Fourth Proportional to 38,159.97, 52,661.05 and 21,163.26

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Solution

The fourth proportional to 38,159.97, 52,661.05 and 21,163.26 is: 29,205.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,159.97 : 52,661.05 = 21,163.26 : x
  2. Step 2: Convert to fraction form
    38,159.97/52,661.05 = 21,163.26/x
  3. Step 3: Cross multiply
    38,159.97x = 52,661.05 × 21,163.26
  4. Step 4: Simplify right side
    38,159.97x = 1,114,479,493.02
  5. Step 5: Solve for x
    x = 1,114,479,493.02/38,159.97
  6. Step 6: Final answer
    x = 29,205.46

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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.