Home / 51,135.05-76,737.62-17,855.10

Finding the Fourth Proportional to 51,135.05, 76,737.62 and 17,855.10

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Solution

The fourth proportional to 51,135.05, 76,737.62 and 17,855.10 is: 26,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,135.05 : 76,737.62 = 17,855.10 : x
  2. Step 2: Convert to fraction form
    51,135.05/76,737.62 = 17,855.10/x
  3. Step 3: Cross multiply
    51,135.05x = 76,737.62 × 17,855.10
  4. Step 4: Simplify right side
    51,135.05x = 1,370,157,923.50
  5. Step 5: Solve for x
    x = 1,370,157,923.50/51,135.05
  6. Step 6: Final answer
    x = 26,794.89

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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.