Home / 65,945.36-91,004.47-35,731.46

Finding the Fourth Proportional to 65,945.36, 91,004.47 and 35,731.46

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Solution

The fourth proportional to 65,945.36, 91,004.47 and 35,731.46 is: 49,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,945.36 : 91,004.47 = 35,731.46 : x
  2. Step 2: Convert to fraction form
    65,945.36/91,004.47 = 35,731.46/x
  3. Step 3: Cross multiply
    65,945.36x = 91,004.47 × 35,731.46
  4. Step 4: Simplify right side
    65,945.36x = 3,251,722,717.81
  5. Step 5: Solve for x
    x = 3,251,722,717.81/65,945.36
  6. Step 6: Final answer
    x = 49,309.35

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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.