Home / 38,542.32-57,767.46-19,831.32

Finding the Fourth Proportional to 38,542.32, 57,767.46 and 19,831.32

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Solution

The fourth proportional to 38,542.32, 57,767.46 and 19,831.32 is: 29,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,542.32 : 57,767.46 = 19,831.32 : x
  2. Step 2: Convert to fraction form
    38,542.32/57,767.46 = 19,831.32/x
  3. Step 3: Cross multiply
    38,542.32x = 57,767.46 × 19,831.32
  4. Step 4: Simplify right side
    38,542.32x = 1,145,604,984.85
  5. Step 5: Solve for x
    x = 1,145,604,984.85/38,542.32
  6. Step 6: Final answer
    x = 29,723.30

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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.