Home / 57,518.74-86,273.98-18,087.13

Finding the Fourth Proportional to 57,518.74, 86,273.98 and 18,087.13

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Solution

The fourth proportional to 57,518.74, 86,273.98 and 18,087.13 is: 27,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,518.74 : 86,273.98 = 18,087.13 : x
  2. Step 2: Convert to fraction form
    57,518.74/86,273.98 = 18,087.13/x
  3. Step 3: Cross multiply
    57,518.74x = 86,273.98 × 18,087.13
  4. Step 4: Simplify right side
    57,518.74x = 1,560,448,170.07
  5. Step 5: Solve for x
    x = 1,560,448,170.07/57,518.74
  6. Step 6: Final answer
    x = 27,129.39

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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.