Home / 52,722.64-79,083.99-21,557.89

Finding the Fourth Proportional to 52,722.64, 79,083.99 and 21,557.89

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Solution

The fourth proportional to 52,722.64, 79,083.99 and 21,557.89 is: 32,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,722.64 : 79,083.99 = 21,557.89 : x
  2. Step 2: Convert to fraction form
    52,722.64/79,083.99 = 21,557.89/x
  3. Step 3: Cross multiply
    52,722.64x = 79,083.99 × 21,557.89
  4. Step 4: Simplify right side
    52,722.64x = 1,704,883,759.47
  5. Step 5: Solve for x
    x = 1,704,883,759.47/52,722.64
  6. Step 6: Final answer
    x = 32,336.85

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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.