Home / 38,157.92-52,655.28-21,163.04

Finding the Fourth Proportional to 38,157.92, 52,655.28 and 21,163.04

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Solution

The fourth proportional to 38,157.92, 52,655.28 and 21,163.04 is: 29,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,157.92 : 52,655.28 = 21,163.04 : x
  2. Step 2: Convert to fraction form
    38,157.92/52,655.28 = 21,163.04/x
  3. Step 3: Cross multiply
    38,157.92x = 52,655.28 × 21,163.04
  4. Step 4: Simplify right side
    38,157.92x = 1,114,345,796.85
  5. Step 5: Solve for x
    x = 1,114,345,796.85/38,157.92
  6. Step 6: Final answer
    x = 29,203.53

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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.