Home / 57,538.75-86,309.21-15,986.83

Finding the Fourth Proportional to 57,538.75, 86,309.21 and 15,986.83

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Solution

The fourth proportional to 57,538.75, 86,309.21 and 15,986.83 is: 23,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,538.75 : 86,309.21 = 15,986.83 : x
  2. Step 2: Convert to fraction form
    57,538.75/86,309.21 = 15,986.83/x
  3. Step 3: Cross multiply
    57,538.75x = 86,309.21 × 15,986.83
  4. Step 4: Simplify right side
    57,538.75x = 1,379,810,667.70
  5. Step 5: Solve for x
    x = 1,379,810,667.70/57,538.75
  6. Step 6: Final answer
    x = 23,980.55

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1.5x scale

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.