Home / 36,935.89-50,964.75-21,831.01

Finding the Fourth Proportional to 36,935.89, 50,964.75 and 21,831.01

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Solution

The fourth proportional to 36,935.89, 50,964.75 and 21,831.01 is: 30,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,935.89 : 50,964.75 = 21,831.01 : x
  2. Step 2: Convert to fraction form
    36,935.89/50,964.75 = 21,831.01/x
  3. Step 3: Cross multiply
    36,935.89x = 50,964.75 × 21,831.01
  4. Step 4: Simplify right side
    36,935.89x = 1,112,611,766.65
  5. Step 5: Solve for x
    x = 1,112,611,766.65/36,935.89
  6. Step 6: Final answer
    x = 30,122.79

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1.5x scale

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.