Home / 47,439.72-71,136.36-27,723.24

Finding the Fourth Proportional to 47,439.72, 71,136.36 and 27,723.24

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Solution

The fourth proportional to 47,439.72, 71,136.36 and 27,723.24 is: 41,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,439.72 : 71,136.36 = 27,723.24 : x
  2. Step 2: Convert to fraction form
    47,439.72/71,136.36 = 27,723.24/x
  3. Step 3: Cross multiply
    47,439.72x = 71,136.36 × 27,723.24
  4. Step 4: Simplify right side
    47,439.72x = 1,972,130,381.01
  5. Step 5: Solve for x
    x = 1,972,130,381.01/47,439.72
  6. Step 6: Final answer
    x = 41,571.29

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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.