Home / 53,136.52-79,713.42-18,072.52

Finding the Fourth Proportional to 53,136.52, 79,713.42 and 18,072.52

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Solution

The fourth proportional to 53,136.52, 79,713.42 and 18,072.52 is: 27,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,136.52 : 79,713.42 = 18,072.52 : x
  2. Step 2: Convert to fraction form
    53,136.52/79,713.42 = 18,072.52/x
  3. Step 3: Cross multiply
    53,136.52x = 79,713.42 × 18,072.52
  4. Step 4: Simplify right side
    53,136.52x = 1,440,622,377.22
  5. Step 5: Solve for x
    x = 1,440,622,377.22/53,136.52
  6. Step 6: Final answer
    x = 27,111.72

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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.