Home / 65,945.37-91,004.49-35,731.51

Finding the Fourth Proportional to 65,945.37, 91,004.49 and 35,731.51

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Solution

The fourth proportional to 65,945.37, 91,004.49 and 35,731.51 is: 49,309.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,945.37 : 91,004.49 = 35,731.51 : x
  2. Step 2: Convert to fraction form
    65,945.37/91,004.49 = 35,731.51/x
  3. Step 3: Cross multiply
    65,945.37x = 91,004.49 × 35,731.51
  4. Step 4: Simplify right side
    65,945.37x = 3,251,727,975.77
  5. Step 5: Solve for x
    x = 3,251,727,975.77/65,945.37
  6. Step 6: Final answer
    x = 49,309.42

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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.