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Finding the Fourth Proportional to 39,564.98, 54,600.98 and 22,571.72

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Solution

The fourth proportional to 39,564.98, 54,600.98 and 22,571.72 is: 31,149.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,564.98 : 54,600.98 = 22,571.72 : x
  2. Step 2: Convert to fraction form
    39,564.98/54,600.98 = 22,571.72/x
  3. Step 3: Cross multiply
    39,564.98x = 54,600.98 × 22,571.72
  4. Step 4: Simplify right side
    39,564.98x = 1,232,437,646.42
  5. Step 5: Solve for x
    x = 1,232,437,646.42/39,564.98
  6. Step 6: Final answer
    x = 31,149.71

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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.