Home / 36,107.84-49,831.20-21,961.28

Finding the Fourth Proportional to 36,107.84, 49,831.20 and 21,961.28

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Solution

The fourth proportional to 36,107.84, 49,831.20 and 21,961.28 is: 30,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107.84 : 49,831.20 = 21,961.28 : x
  2. Step 2: Convert to fraction form
    36,107.84/49,831.20 = 21,961.28/x
  3. Step 3: Cross multiply
    36,107.84x = 49,831.20 × 21,961.28
  4. Step 4: Simplify right side
    36,107.84x = 1,094,356,935.94
  5. Step 5: Solve for x
    x = 1,094,356,935.94/36,107.84
  6. Step 6: Final answer
    x = 30,308.01

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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.