Home / 55,364.85-83,047.56-13,811.85

Finding the Fourth Proportional to 55,364.85, 83,047.56 and 13,811.85

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Solution

The fourth proportional to 55,364.85, 83,047.56 and 13,811.85 is: 20,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,364.85 : 83,047.56 = 13,811.85 : x
  2. Step 2: Convert to fraction form
    55,364.85/83,047.56 = 13,811.85/x
  3. Step 3: Cross multiply
    55,364.85x = 83,047.56 × 13,811.85
  4. Step 4: Simplify right side
    55,364.85x = 1,147,040,441.59
  5. Step 5: Solve for x
    x = 1,147,040,441.59/55,364.85
  6. Step 6: Final answer
    x = 20,717.85

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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.