Home / 61,034.06-91,553.52-18,918.52

Finding the Fourth Proportional to 61,034.06, 91,553.52 and 18,918.52

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Solution

The fourth proportional to 61,034.06, 91,553.52 and 18,918.52 is: 28,378.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,034.06 : 91,553.52 = 18,918.52 : x
  2. Step 2: Convert to fraction form
    61,034.06/91,553.52 = 18,918.52/x
  3. Step 3: Cross multiply
    61,034.06x = 91,553.52 × 18,918.52
  4. Step 4: Simplify right side
    61,034.06x = 1,732,057,099.19
  5. Step 5: Solve for x
    x = 1,732,057,099.19/61,034.06
  6. Step 6: Final answer
    x = 28,378.53

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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.