Home / 44,136.36-66,200.90-20,439

Finding the Fourth Proportional to 44,136.36, 66,200.90 and 20,439

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Solution

The fourth proportional to 44,136.36, 66,200.90 and 20,439 is: 30,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,136.36 : 66,200.90 = 20,439 : x
  2. Step 2: Convert to fraction form
    44,136.36/66,200.90 = 20,439/x
  3. Step 3: Cross multiply
    44,136.36x = 66,200.90 × 20,439
  4. Step 4: Simplify right side
    44,136.36x = 1,353,080,092.91
  5. Step 5: Solve for x
    x = 1,353,080,092.91/44,136.36
  6. Step 6: Final answer
    x = 30,656.81

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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.