Home / 45,127.72-67,735.32-21,770.56

Finding the Fourth Proportional to 45,127.72, 67,735.32 and 21,770.56

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Solution

The fourth proportional to 45,127.72, 67,735.32 and 21,770.56 is: 32,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,127.72 : 67,735.32 = 21,770.56 : x
  2. Step 2: Convert to fraction form
    45,127.72/67,735.32 = 21,770.56/x
  3. Step 3: Cross multiply
    45,127.72x = 67,735.32 × 21,770.56
  4. Step 4: Simplify right side
    45,127.72x = 1,474,635,848.18
  5. Step 5: Solve for x
    x = 1,474,635,848.18/45,127.72
  6. Step 6: Final answer
    x = 32,676.94

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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.