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Finding the Fourth Proportional to 39,611.50, 54,663.87 and 22,844.50

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Solution

The fourth proportional to 39,611.50, 54,663.87 and 22,844.50 is: 31,525.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611.50 : 54,663.87 = 22,844.50 : x
  2. Step 2: Convert to fraction form
    39,611.50/54,663.87 = 22,844.50/x
  3. Step 3: Cross multiply
    39,611.50x = 54,663.87 × 22,844.50
  4. Step 4: Simplify right side
    39,611.50x = 1,248,768,778.22
  5. Step 5: Solve for x
    x = 1,248,768,778.22/39,611.50
  6. Step 6: Final answer
    x = 31,525.41

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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.