Home / 65,935.24-90,990.50-35,721.32

Finding the Fourth Proportional to 65,935.24, 90,990.50 and 35,721.32

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Solution

The fourth proportional to 65,935.24, 90,990.50 and 35,721.32 is: 49,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,935.24 : 90,990.50 = 35,721.32 : x
  2. Step 2: Convert to fraction form
    65,935.24/90,990.50 = 35,721.32/x
  3. Step 3: Cross multiply
    65,935.24x = 90,990.50 × 35,721.32
  4. Step 4: Simplify right side
    65,935.24x = 3,250,300,133.90
  5. Step 5: Solve for x
    x = 3,250,300,133.90/65,935.24
  6. Step 6: Final answer
    x = 49,295.34

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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.