Home / 57,517.36-86,296.80-20,082.95

Finding the Fourth Proportional to 57,517.36, 86,296.80 and 20,082.95

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Solution

The fourth proportional to 57,517.36, 86,296.80 and 20,082.95 is: 30,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,517.36 : 86,296.80 = 20,082.95 : x
  2. Step 2: Convert to fraction form
    57,517.36/86,296.80 = 20,082.95/x
  3. Step 3: Cross multiply
    57,517.36x = 86,296.80 × 20,082.95
  4. Step 4: Simplify right side
    57,517.36x = 1,733,094,319.56
  5. Step 5: Solve for x
    x = 1,733,094,319.56/57,517.36
  6. Step 6: Final answer
    x = 30,131.67

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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.