Home / 50,805.02-76,170.61-21,231.32

Finding the Fourth Proportional to 50,805.02, 76,170.61 and 21,231.32

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Solution

The fourth proportional to 50,805.02, 76,170.61 and 21,231.32 is: 31,831.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,805.02 : 76,170.61 = 21,231.32 : x
  2. Step 2: Convert to fraction form
    50,805.02/76,170.61 = 21,231.32/x
  3. Step 3: Cross multiply
    50,805.02x = 76,170.61 × 21,231.32
  4. Step 4: Simplify right side
    50,805.02x = 1,617,202,108.50
  5. Step 5: Solve for x
    x = 1,617,202,108.50/50,805.02
  6. Step 6: Final answer
    x = 31,831.54

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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.