Home / 56,082.77-84,099.55-20,997.82

Finding the Fourth Proportional to 56,082.77, 84,099.55 and 20,997.82

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Solution

The fourth proportional to 56,082.77, 84,099.55 and 20,997.82 is: 31,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,082.77 : 84,099.55 = 20,997.82 : x
  2. Step 2: Convert to fraction form
    56,082.77/84,099.55 = 20,997.82/x
  3. Step 3: Cross multiply
    56,082.77x = 84,099.55 × 20,997.82
  4. Step 4: Simplify right side
    56,082.77x = 1,765,907,212.98
  5. Step 5: Solve for x
    x = 1,765,907,212.98/56,082.77
  6. Step 6: Final answer
    x = 31,487.52

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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.