Home / 51,120.50-76,712.62-19,533.38

Finding the Fourth Proportional to 51,120.50, 76,712.62 and 19,533.38

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Solution

The fourth proportional to 51,120.50, 76,712.62 and 19,533.38 is: 29,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,120.50 : 76,712.62 = 19,533.38 : x
  2. Step 2: Convert to fraction form
    51,120.50/76,712.62 = 19,533.38/x
  3. Step 3: Cross multiply
    51,120.50x = 76,712.62 × 19,533.38
  4. Step 4: Simplify right side
    51,120.50x = 1,498,456,757.26
  5. Step 5: Solve for x
    x = 1,498,456,757.26/51,120.50
  6. Step 6: Final answer
    x = 29,312.25

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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.