Home / 53,942.28-80,930.22-48,360.48

Finding the Fourth Proportional to 53,942.28, 80,930.22 and 48,360.48

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Solution

The fourth proportional to 53,942.28, 80,930.22 and 48,360.48 is: 72,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,942.28 : 80,930.22 = 48,360.48 : x
  2. Step 2: Convert to fraction form
    53,942.28/80,930.22 = 48,360.48/x
  3. Step 3: Cross multiply
    53,942.28x = 80,930.22 × 48,360.48
  4. Step 4: Simplify right side
    53,942.28x = 3,913,824,285.71
  5. Step 5: Solve for x
    x = 3,913,824,285.71/53,942.28
  6. Step 6: Final answer
    x = 72,555.78

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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.