Home / 51,101.00-76,629.61-17,811.21

Finding the Fourth Proportional to 51,101.00, 76,629.61 and 17,811.21

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Solution

The fourth proportional to 51,101.00, 76,629.61 and 17,811.21 is: 26,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,101.00 : 76,629.61 = 17,811.21 : x
  2. Step 2: Convert to fraction form
    51,101.00/76,629.61 = 17,811.21/x
  3. Step 3: Cross multiply
    51,101.00x = 76,629.61 × 17,811.21
  4. Step 4: Simplify right side
    51,101.00x = 1,364,865,986.87
  5. Step 5: Solve for x
    x = 1,364,865,986.87/51,101.00
  6. Step 6: Final answer
    x = 26,709.19

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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.