Home / 51,187.07-76,791.54-17,908.22

Finding the Fourth Proportional to 51,187.07, 76,791.54 and 17,908.22

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Solution

The fourth proportional to 51,187.07, 76,791.54 and 17,908.22 is: 26,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,187.07 : 76,791.54 = 17,908.22 : x
  2. Step 2: Convert to fraction form
    51,187.07/76,791.54 = 17,908.22/x
  3. Step 3: Cross multiply
    51,187.07x = 76,791.54 × 17,908.22
  4. Step 4: Simplify right side
    51,187.07x = 1,375,199,510.94
  5. Step 5: Solve for x
    x = 1,375,199,510.94/51,187.07
  6. Step 6: Final answer
    x = 26,866.15

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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.