Home / 51,871.92-77,815.08-16,800.24

Finding the Fourth Proportional to 51,871.92, 77,815.08 and 16,800.24

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Solution

The fourth proportional to 51,871.92, 77,815.08 and 16,800.24 is: 25,202.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,871.92 : 77,815.08 = 16,800.24 : x
  2. Step 2: Convert to fraction form
    51,871.92/77,815.08 = 16,800.24/x
  3. Step 3: Cross multiply
    51,871.92x = 77,815.08 × 16,800.24
  4. Step 4: Simplify right side
    51,871.92x = 1,307,312,019.62
  5. Step 5: Solve for x
    x = 1,307,312,019.62/51,871.92
  6. Step 6: Final answer
    x = 25,202.69

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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.