Home / 45,126.72-67,733.82-21,769.56

Finding the Fourth Proportional to 45,126.72, 67,733.82 and 21,769.56

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Solution

The fourth proportional to 45,126.72, 67,733.82 and 21,769.56 is: 32,675.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,126.72 : 67,733.82 = 21,769.56 : x
  2. Step 2: Convert to fraction form
    45,126.72/67,733.82 = 21,769.56/x
  3. Step 3: Cross multiply
    45,126.72x = 67,733.82 × 21,769.56
  4. Step 4: Simplify right side
    45,126.72x = 1,474,535,458.52
  5. Step 5: Solve for x
    x = 1,474,535,458.52/45,126.72
  6. Step 6: Final answer
    x = 32,675.44

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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.