Home / 44,136.72-66,167.76-19,157.88

Finding the Fourth Proportional to 44,136.72, 66,167.76 and 19,157.88

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Solution

The fourth proportional to 44,136.72, 66,167.76 and 19,157.88 is: 28,720.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,136.72 : 66,167.76 = 19,157.88 : x
  2. Step 2: Convert to fraction form
    44,136.72/66,167.76 = 19,157.88/x
  3. Step 3: Cross multiply
    44,136.72x = 66,167.76 × 19,157.88
  4. Step 4: Simplify right side
    44,136.72x = 1,267,634,005.95
  5. Step 5: Solve for x
    x = 1,267,634,005.95/44,136.72
  6. Step 6: Final answer
    x = 28,720.62

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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.