Home / 45,396.68-67,996.56-21,974

Finding the Fourth Proportional to 45,396.68, 67,996.56 and 21,974

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Solution

The fourth proportional to 45,396.68, 67,996.56 and 21,974 is: 32,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,396.68 : 67,996.56 = 21,974 : x
  2. Step 2: Convert to fraction form
    45,396.68/67,996.56 = 21,974/x
  3. Step 3: Cross multiply
    45,396.68x = 67,996.56 × 21,974
  4. Step 4: Simplify right side
    45,396.68x = 1,494,156,409.44
  5. Step 5: Solve for x
    x = 1,494,156,409.44/45,396.68
  6. Step 6: Final answer
    x = 32,913.34

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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.