Home / 55,254.24-82,865.16-19,709.82

Finding the Fourth Proportional to 55,254.24, 82,865.16 and 19,709.82

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Solution

The fourth proportional to 55,254.24, 82,865.16 and 19,709.82 is: 29,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,254.24 : 82,865.16 = 19,709.82 : x
  2. Step 2: Convert to fraction form
    55,254.24/82,865.16 = 19,709.82/x
  3. Step 3: Cross multiply
    55,254.24x = 82,865.16 × 19,709.82
  4. Step 4: Simplify right side
    55,254.24x = 1,633,257,387.87
  5. Step 5: Solve for x
    x = 1,633,257,387.87/55,254.24
  6. Step 6: Final answer
    x = 29,558.95

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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.