Home / 57,311.55-85,975.97-17,871.75

Finding the Fourth Proportional to 57,311.55, 85,975.97 and 17,871.75

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Solution

The fourth proportional to 57,311.55, 85,975.97 and 17,871.75 is: 26,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,311.55 : 85,975.97 = 17,871.75 : x
  2. Step 2: Convert to fraction form
    57,311.55/85,975.97 = 17,871.75/x
  3. Step 3: Cross multiply
    57,311.55x = 85,975.97 × 17,871.75
  4. Step 4: Simplify right side
    57,311.55x = 1,536,540,952.49
  5. Step 5: Solve for x
    x = 1,536,540,952.49/57,311.55
  6. Step 6: Final answer
    x = 26,810.32

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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.