Home / 45,147.36-67,579.20-31,024.80

Finding the Fourth Proportional to 45,147.36, 67,579.20 and 31,024.80

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Solution

The fourth proportional to 45,147.36, 67,579.20 and 31,024.80 is: 46,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,147.36 : 67,579.20 = 31,024.80 : x
  2. Step 2: Convert to fraction form
    45,147.36/67,579.20 = 31,024.80/x
  3. Step 3: Cross multiply
    45,147.36x = 67,579.20 × 31,024.80
  4. Step 4: Simplify right side
    45,147.36x = 2,096,631,164.16
  5. Step 5: Solve for x
    x = 2,096,631,164.16/45,147.36
  6. Step 6: Final answer
    x = 46,439.73

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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.