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Finding the Fourth Proportional to 34,553.68, 47,692.04 and 21,975.92

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Solution

The fourth proportional to 34,553.68, 47,692.04 and 21,975.92 is: 30,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,553.68 : 47,692.04 = 21,975.92 : x
  2. Step 2: Convert to fraction form
    34,553.68/47,692.04 = 21,975.92/x
  3. Step 3: Cross multiply
    34,553.68x = 47,692.04 × 21,975.92
  4. Step 4: Simplify right side
    34,553.68x = 1,048,076,455.68
  5. Step 5: Solve for x
    x = 1,048,076,455.68/34,553.68
  6. Step 6: Final answer
    x = 30,331.83

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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.