Home / 38,157.94-52,658.11-21,163.77

Finding the Fourth Proportional to 38,157.94, 52,658.11 and 21,163.77

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Solution

The fourth proportional to 38,157.94, 52,658.11 and 21,163.77 is: 29,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,157.94 : 52,658.11 = 21,163.77 : x
  2. Step 2: Convert to fraction form
    38,157.94/52,658.11 = 21,163.77/x
  3. Step 3: Cross multiply
    38,157.94x = 52,658.11 × 21,163.77
  4. Step 4: Simplify right side
    38,157.94x = 1,114,443,759.57
  5. Step 5: Solve for x
    x = 1,114,443,759.57/38,157.94
  6. Step 6: Final answer
    x = 29,206.08

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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.