Home / 45,692.12-68,520.90-17,975

Finding the Fourth Proportional to 45,692.12, 68,520.90 and 17,975

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Solution

The fourth proportional to 45,692.12, 68,520.90 and 17,975 is: 26,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,692.12 : 68,520.90 = 17,975 : x
  2. Step 2: Convert to fraction form
    45,692.12/68,520.90 = 17,975/x
  3. Step 3: Cross multiply
    45,692.12x = 68,520.90 × 17,975
  4. Step 4: Simplify right side
    45,692.12x = 1,231,663,177.50
  5. Step 5: Solve for x
    x = 1,231,663,177.50/45,692.12
  6. Step 6: Final answer
    x = 26,955.70

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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.