Home / 51,815.62-77,723.43-18,533.68

Finding the Fourth Proportional to 51,815.62, 77,723.43 and 18,533.68

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Solution

The fourth proportional to 51,815.62, 77,723.43 and 18,533.68 is: 27,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,815.62 : 77,723.43 = 18,533.68 : x
  2. Step 2: Convert to fraction form
    51,815.62/77,723.43 = 18,533.68/x
  3. Step 3: Cross multiply
    51,815.62x = 77,723.43 × 18,533.68
  4. Step 4: Simplify right side
    51,815.62x = 1,440,501,180.12
  5. Step 5: Solve for x
    x = 1,440,501,180.12/51,815.62
  6. Step 6: Final answer
    x = 27,800.52

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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.