Home / 52,909.23-79,361.28-19,635.78

Finding the Fourth Proportional to 52,909.23, 79,361.28 and 19,635.78

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Solution

The fourth proportional to 52,909.23, 79,361.28 and 19,635.78 is: 29,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,909.23 : 79,361.28 = 19,635.78 : x
  2. Step 2: Convert to fraction form
    52,909.23/79,361.28 = 19,635.78/x
  3. Step 3: Cross multiply
    52,909.23x = 79,361.28 × 19,635.78
  4. Step 4: Simplify right side
    52,909.23x = 1,558,320,634.60
  5. Step 5: Solve for x
    x = 1,558,320,634.60/52,909.23
  6. Step 6: Final answer
    x = 29,452.72

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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.