Home / 38,156.36-52,655.78-21,163.21

Finding the Fourth Proportional to 38,156.36, 52,655.78 and 21,163.21

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Solution

The fourth proportional to 38,156.36, 52,655.78 and 21,163.21 is: 29,205.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156.36 : 52,655.78 = 21,163.21 : x
  2. Step 2: Convert to fraction form
    38,156.36/52,655.78 = 21,163.21/x
  3. Step 3: Cross multiply
    38,156.36x = 52,655.78 × 21,163.21
  4. Step 4: Simplify right side
    38,156.36x = 1,114,365,161.84
  5. Step 5: Solve for x
    x = 1,114,365,161.84/38,156.36
  6. Step 6: Final answer
    x = 29,205.23

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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.