Home / 72,563.04-108,831.78-19,960.02

Finding the Fourth Proportional to 72,563.04, 108,831.78 and 19,960.02

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Solution

The fourth proportional to 72,563.04, 108,831.78 and 19,960.02 is: 29,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,563.04 : 108,831.78 = 19,960.02 : x
  2. Step 2: Convert to fraction form
    72,563.04/108,831.78 = 19,960.02/x
  3. Step 3: Cross multiply
    72,563.04x = 108,831.78 × 19,960.02
  4. Step 4: Simplify right side
    72,563.04x = 2,172,284,505.44
  5. Step 5: Solve for x
    x = 2,172,284,505.44/72,563.04
  6. Step 6: Final answer
    x = 29,936.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.