Home / 55,344.20-83,016.30-17,930.30

Finding the Fourth Proportional to 55,344.20, 83,016.30 and 17,930.30

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Solution

The fourth proportional to 55,344.20, 83,016.30 and 17,930.30 is: 26,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,344.20 : 83,016.30 = 17,930.30 : x
  2. Step 2: Convert to fraction form
    55,344.20/83,016.30 = 17,930.30/x
  3. Step 3: Cross multiply
    55,344.20x = 83,016.30 × 17,930.30
  4. Step 4: Simplify right side
    55,344.20x = 1,488,507,163.89
  5. Step 5: Solve for x
    x = 1,488,507,163.89/55,344.20
  6. Step 6: Final answer
    x = 26,895.45

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1.5x scale

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.