Home / 55,579.18-83,367.87-13,458.97

Finding the Fourth Proportional to 55,579.18, 83,367.87 and 13,458.97

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Solution

The fourth proportional to 55,579.18, 83,367.87 and 13,458.97 is: 20,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.18 : 83,367.87 = 13,458.97 : x
  2. Step 2: Convert to fraction form
    55,579.18/83,367.87 = 13,458.97/x
  3. Step 3: Cross multiply
    55,579.18x = 83,367.87 × 13,458.97
  4. Step 4: Simplify right side
    55,579.18x = 1,122,045,661.29
  5. Step 5: Solve for x
    x = 1,122,045,661.29/55,579.18
  6. Step 6: Final answer
    x = 20,188.24

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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.