Home / 45,321.22-67,974.81-23,150.98

Finding the Fourth Proportional to 45,321.22, 67,974.81 and 23,150.98

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Solution

The fourth proportional to 45,321.22, 67,974.81 and 23,150.98 is: 34,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,321.22 : 67,974.81 = 23,150.98 : x
  2. Step 2: Convert to fraction form
    45,321.22/67,974.81 = 23,150.98/x
  3. Step 3: Cross multiply
    45,321.22x = 67,974.81 × 23,150.98
  4. Step 4: Simplify right side
    45,321.22x = 1,573,683,466.81
  5. Step 5: Solve for x
    x = 1,573,683,466.81/45,321.22
  6. Step 6: Final answer
    x = 34,722.88

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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.