Home / 52,997.16-79,511.64-21,390.96

Finding the Fourth Proportional to 52,997.16, 79,511.64 and 21,390.96

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Solution

The fourth proportional to 52,997.16, 79,511.64 and 21,390.96 is: 32,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,997.16 : 79,511.64 = 21,390.96 : x
  2. Step 2: Convert to fraction form
    52,997.16/79,511.64 = 21,390.96/x
  3. Step 3: Cross multiply
    52,997.16x = 79,511.64 × 21,390.96
  4. Step 4: Simplify right side
    52,997.16x = 1,700,830,310.77
  5. Step 5: Solve for x
    x = 1,700,830,310.77/52,997.16
  6. Step 6: Final answer
    x = 32,092.86

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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.