Home / 57,028.62-85,529.64-21,493.48

Finding the Fourth Proportional to 57,028.62, 85,529.64 and 21,493.48

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Solution

The fourth proportional to 57,028.62, 85,529.64 and 21,493.48 is: 32,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,028.62 : 85,529.64 = 21,493.48 : x
  2. Step 2: Convert to fraction form
    57,028.62/85,529.64 = 21,493.48/x
  3. Step 3: Cross multiply
    57,028.62x = 85,529.64 × 21,493.48
  4. Step 4: Simplify right side
    57,028.62x = 1,838,329,859.02
  5. Step 5: Solve for x
    x = 1,838,329,859.02/57,028.62
  6. Step 6: Final answer
    x = 32,235.22

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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.