Home / 51,180.65-76,755.48-17,894.51

Finding the Fourth Proportional to 51,180.65, 76,755.48 and 17,894.51

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Solution

The fourth proportional to 51,180.65, 76,755.48 and 17,894.51 is: 26,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,180.65 : 76,755.48 = 17,894.51 : x
  2. Step 2: Convert to fraction form
    51,180.65/76,755.48 = 17,894.51/x
  3. Step 3: Cross multiply
    51,180.65x = 76,755.48 × 17,894.51
  4. Step 4: Simplify right side
    51,180.65x = 1,373,501,704.41
  5. Step 5: Solve for x
    x = 1,373,501,704.41/51,180.65
  6. Step 6: Final answer
    x = 26,836.35

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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.