Home / 55,983.28-83,988.72-16,540.24

Finding the Fourth Proportional to 55,983.28, 83,988.72 and 16,540.24

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Solution

The fourth proportional to 55,983.28, 83,988.72 and 16,540.24 is: 24,814.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,983.28 : 83,988.72 = 16,540.24 : x
  2. Step 2: Convert to fraction form
    55,983.28/83,988.72 = 16,540.24/x
  3. Step 3: Cross multiply
    55,983.28x = 83,988.72 × 16,540.24
  4. Step 4: Simplify right side
    55,983.28x = 1,389,193,586.09
  5. Step 5: Solve for x
    x = 1,389,193,586.09/55,983.28
  6. Step 6: Final answer
    x = 24,814.44

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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.