Home / 39,511.20-59,313.10-31,196.82

Finding the Fourth Proportional to 39,511.20, 59,313.10 and 31,196.82

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Solution

The fourth proportional to 39,511.20, 59,313.10 and 31,196.82 is: 46,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,511.20 : 59,313.10 = 31,196.82 : x
  2. Step 2: Convert to fraction form
    39,511.20/59,313.10 = 31,196.82/x
  3. Step 3: Cross multiply
    39,511.20x = 59,313.10 × 31,196.82
  4. Step 4: Simplify right side
    39,511.20x = 1,850,380,104.34
  5. Step 5: Solve for x
    x = 1,850,380,104.34/39,511.20
  6. Step 6: Final answer
    x = 46,831.79

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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.