Home / 51,111.78-76,643.42-17,827.80

Finding the Fourth Proportional to 51,111.78, 76,643.42 and 17,827.80

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Solution

The fourth proportional to 51,111.78, 76,643.42 and 17,827.80 is: 26,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,111.78 : 76,643.42 = 17,827.80 : x
  2. Step 2: Convert to fraction form
    51,111.78/76,643.42 = 17,827.80/x
  3. Step 3: Cross multiply
    51,111.78x = 76,643.42 × 17,827.80
  4. Step 4: Simplify right side
    51,111.78x = 1,366,383,473.94
  5. Step 5: Solve for x
    x = 1,366,383,473.94/51,111.78
  6. Step 6: Final answer
    x = 26,733.24

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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.