Home / 57,107.24-85,634.20-21,541.15

Finding the Fourth Proportional to 57,107.24, 85,634.20 and 21,541.15

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Solution

The fourth proportional to 57,107.24, 85,634.20 and 21,541.15 is: 32,301.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,107.24 : 85,634.20 = 21,541.15 : x
  2. Step 2: Convert to fraction form
    57,107.24/85,634.20 = 21,541.15/x
  3. Step 3: Cross multiply
    57,107.24x = 85,634.20 × 21,541.15
  4. Step 4: Simplify right side
    57,107.24x = 1,844,658,879.39
  5. Step 5: Solve for x
    x = 1,844,658,879.39/57,107.24
  6. Step 6: Final answer
    x = 32,301.67

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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.