Home / 55,600.29-83,358-18,137.79

Finding the Fourth Proportional to 55,600.29, 83,358 and 18,137.79

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Solution

The fourth proportional to 55,600.29, 83,358 and 18,137.79 is: 27,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,600.29 : 83,358 = 18,137.79 : x
  2. Step 2: Convert to fraction form
    55,600.29/83,358 = 18,137.79/x
  3. Step 3: Cross multiply
    55,600.29x = 83,358 × 18,137.79
  4. Step 4: Simplify right side
    55,600.29x = 1,511,929,898.82
  5. Step 5: Solve for x
    x = 1,511,929,898.82/55,600.29
  6. Step 6: Final answer
    x = 27,192.84

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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.