Home / 55,738.35-83,616.22-18,289.90

Finding the Fourth Proportional to 55,738.35, 83,616.22 and 18,289.90

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Solution

The fourth proportional to 55,738.35, 83,616.22 and 18,289.90 is: 27,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,738.35 : 83,616.22 = 18,289.90 : x
  2. Step 2: Convert to fraction form
    55,738.35/83,616.22 = 18,289.90/x
  3. Step 3: Cross multiply
    55,738.35x = 83,616.22 × 18,289.90
  4. Step 4: Simplify right side
    55,738.35x = 1,529,332,047.41
  5. Step 5: Solve for x
    x = 1,529,332,047.41/55,738.35
  6. Step 6: Final answer
    x = 27,437.70

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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.