Home / 71,542.08-107,313.86-21,622.59

Finding the Fourth Proportional to 71,542.08, 107,313.86 and 21,622.59

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Solution

The fourth proportional to 71,542.08, 107,313.86 and 21,622.59 is: 32,434.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,542.08 : 107,313.86 = 21,622.59 : x
  2. Step 2: Convert to fraction form
    71,542.08/107,313.86 = 21,622.59/x
  3. Step 3: Cross multiply
    71,542.08x = 107,313.86 × 21,622.59
  4. Step 4: Simplify right side
    71,542.08x = 2,320,403,650.15
  5. Step 5: Solve for x
    x = 2,320,403,650.15/71,542.08
  6. Step 6: Final answer
    x = 32,434.11

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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.