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Finding the Fourth Proportional to 35,651.88, 53,448.66 and 13,452.62

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Solution

The fourth proportional to 35,651.88, 53,448.66 and 13,452.62 is: 20,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,651.88 : 53,448.66 = 13,452.62 : x
  2. Step 2: Convert to fraction form
    35,651.88/53,448.66 = 13,452.62/x
  3. Step 3: Cross multiply
    35,651.88x = 53,448.66 × 13,452.62
  4. Step 4: Simplify right side
    35,651.88x = 719,024,245.25
  5. Step 5: Solve for x
    x = 719,024,245.25/35,651.88
  6. Step 6: Final answer
    x = 20,167.92

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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.