Home / 55,175.73-82,548.32-48,458.91

Finding the Fourth Proportional to 55,175.73, 82,548.32 and 48,458.91

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Solution

The fourth proportional to 55,175.73, 82,548.32 and 48,458.91 is: 72,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,175.73 : 82,548.32 = 48,458.91 : x
  2. Step 2: Convert to fraction form
    55,175.73/82,548.32 = 48,458.91/x
  3. Step 3: Cross multiply
    55,175.73x = 82,548.32 × 48,458.91
  4. Step 4: Simplify right side
    55,175.73x = 4,000,201,212.46
  5. Step 5: Solve for x
    x = 4,000,201,212.46/55,175.73
  6. Step 6: Final answer
    x = 72,499.29

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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.