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Finding the Fourth Proportional to 66,692.52, 100,055.52 and 19,945.26

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Solution

The fourth proportional to 66,692.52, 100,055.52 and 19,945.26 is: 29,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,692.52 : 100,055.52 = 19,945.26 : x
  2. Step 2: Convert to fraction form
    66,692.52/100,055.52 = 19,945.26/x
  3. Step 3: Cross multiply
    66,692.52x = 100,055.52 × 19,945.26
  4. Step 4: Simplify right side
    66,692.52x = 1,995,633,360.84
  5. Step 5: Solve for x
    x = 1,995,633,360.84/66,692.52
  6. Step 6: Final answer
    x = 29,922.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.