Home / 48,628.43-72,970.82-20,546.66

Finding the Fourth Proportional to 48,628.43, 72,970.82 and 20,546.66

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Solution

The fourth proportional to 48,628.43, 72,970.82 and 20,546.66 is: 30,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,628.43 : 72,970.82 = 20,546.66 : x
  2. Step 2: Convert to fraction form
    48,628.43/72,970.82 = 20,546.66/x
  3. Step 3: Cross multiply
    48,628.43x = 72,970.82 × 20,546.66
  4. Step 4: Simplify right side
    48,628.43x = 1,499,306,160.87
  5. Step 5: Solve for x
    x = 1,499,306,160.87/48,628.43
  6. Step 6: Final answer
    x = 30,831.89

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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.