Home / 35,825.43-53,664.27-20,989.38

Finding the Fourth Proportional to 35,825.43, 53,664.27 and 20,989.38

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Solution

The fourth proportional to 35,825.43, 53,664.27 and 20,989.38 is: 31,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,825.43 : 53,664.27 = 20,989.38 : x
  2. Step 2: Convert to fraction form
    35,825.43/53,664.27 = 20,989.38/x
  3. Step 3: Cross multiply
    35,825.43x = 53,664.27 × 20,989.38
  4. Step 4: Simplify right side
    35,825.43x = 1,126,379,755.45
  5. Step 5: Solve for x
    x = 1,126,379,755.45/35,825.43
  6. Step 6: Final answer
    x = 31,440.79

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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.