Home / 52,811.01-79,216.83-12,829.86

Finding the Fourth Proportional to 52,811.01, 79,216.83 and 12,829.86

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Solution

The fourth proportional to 52,811.01, 79,216.83 and 12,829.86 is: 19,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,811.01 : 79,216.83 = 12,829.86 : x
  2. Step 2: Convert to fraction form
    52,811.01/79,216.83 = 12,829.86/x
  3. Step 3: Cross multiply
    52,811.01x = 79,216.83 × 12,829.86
  4. Step 4: Simplify right side
    52,811.01x = 1,016,340,838.54
  5. Step 5: Solve for x
    x = 1,016,340,838.54/52,811.01
  6. Step 6: Final answer
    x = 19,244.87

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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.