Home / 55,569.15-83,362.38-18,120.54

Finding the Fourth Proportional to 55,569.15, 83,362.38 and 18,120.54

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Solution

The fourth proportional to 55,569.15, 83,362.38 and 18,120.54 is: 27,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,569.15 : 83,362.38 = 18,120.54 : x
  2. Step 2: Convert to fraction form
    55,569.15/83,362.38 = 18,120.54/x
  3. Step 3: Cross multiply
    55,569.15x = 83,362.38 × 18,120.54
  4. Step 4: Simplify right side
    55,569.15x = 1,510,571,341.29
  5. Step 5: Solve for x
    x = 1,510,571,341.29/55,569.15
  6. Step 6: Final answer
    x = 27,183.63

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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.