Home / 61,273.20-91,910.16-21,831.84

Finding the Fourth Proportional to 61,273.20, 91,910.16 and 21,831.84

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Solution

The fourth proportional to 61,273.20, 91,910.16 and 21,831.84 is: 32,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,273.20 : 91,910.16 = 21,831.84 : x
  2. Step 2: Convert to fraction form
    61,273.20/91,910.16 = 21,831.84/x
  3. Step 3: Cross multiply
    61,273.20x = 91,910.16 × 21,831.84
  4. Step 4: Simplify right side
    61,273.20x = 2,006,567,907.49
  5. Step 5: Solve for x
    x = 2,006,567,907.49/61,273.20
  6. Step 6: Final answer
    x = 32,747.89

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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.