Home / 37,107.24-51,208.61-20,971.28

Finding the Fourth Proportional to 37,107.24, 51,208.61 and 20,971.28

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Solution

The fourth proportional to 37,107.24, 51,208.61 and 20,971.28 is: 28,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,107.24 : 51,208.61 = 20,971.28 : x
  2. Step 2: Convert to fraction form
    37,107.24/51,208.61 = 20,971.28/x
  3. Step 3: Cross multiply
    37,107.24x = 51,208.61 × 20,971.28
  4. Step 4: Simplify right side
    37,107.24x = 1,073,909,977.86
  5. Step 5: Solve for x
    x = 1,073,909,977.86/37,107.24
  6. Step 6: Final answer
    x = 28,940.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.