Home / 55,600.83-83,412.18-20,540.79

Finding the Fourth Proportional to 55,600.83, 83,412.18 and 20,540.79

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Solution

The fourth proportional to 55,600.83, 83,412.18 and 20,540.79 is: 30,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,600.83 : 83,412.18 = 20,540.79 : x
  2. Step 2: Convert to fraction form
    55,600.83/83,412.18 = 20,540.79/x
  3. Step 3: Cross multiply
    55,600.83x = 83,412.18 × 20,540.79
  4. Step 4: Simplify right side
    55,600.83x = 1,713,352,072.82
  5. Step 5: Solve for x
    x = 1,713,352,072.82/55,600.83
  6. Step 6: Final answer
    x = 30,815.22

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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.