Home / 55,671.52-76,782-48,942.88

Finding the Fourth Proportional to 55,671.52, 76,782 and 48,942.88

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Solution

The fourth proportional to 55,671.52, 76,782 and 48,942.88 is: 67,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,671.52 : 76,782 = 48,942.88 : x
  2. Step 2: Convert to fraction form
    55,671.52/76,782 = 48,942.88/x
  3. Step 3: Cross multiply
    55,671.52x = 76,782 × 48,942.88
  4. Step 4: Simplify right side
    55,671.52x = 3,757,932,212.16
  5. Step 5: Solve for x
    x = 3,757,932,212.16/55,671.52
  6. Step 6: Final answer
    x = 67,501.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.