Home / 52,811.55-79,213.47-19,516.09

Finding the Fourth Proportional to 52,811.55, 79,213.47 and 19,516.09

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Solution

The fourth proportional to 52,811.55, 79,213.47 and 19,516.09 is: 29,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,811.55 : 79,213.47 = 19,516.09 : x
  2. Step 2: Convert to fraction form
    52,811.55/79,213.47 = 19,516.09/x
  3. Step 3: Cross multiply
    52,811.55x = 79,213.47 × 19,516.09
  4. Step 4: Simplify right side
    52,811.55x = 1,545,937,209.73
  5. Step 5: Solve for x
    x = 1,545,937,209.73/52,811.55
  6. Step 6: Final answer
    x = 29,272.71

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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.