Home / 57,619.74-86,415.02-18,173.54

Finding the Fourth Proportional to 57,619.74, 86,415.02 and 18,173.54

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Solution

The fourth proportional to 57,619.74, 86,415.02 and 18,173.54 is: 27,255.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,619.74 : 86,415.02 = 18,173.54 : x
  2. Step 2: Convert to fraction form
    57,619.74/86,415.02 = 18,173.54/x
  3. Step 3: Cross multiply
    57,619.74x = 86,415.02 × 18,173.54
  4. Step 4: Simplify right side
    57,619.74x = 1,570,466,822.57
  5. Step 5: Solve for x
    x = 1,570,466,822.57/57,619.74
  6. Step 6: Final answer
    x = 27,255.71

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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.