Home / 51,750.06-77,625.10-16,689.72

Finding the Fourth Proportional to 51,750.06, 77,625.10 and 16,689.72

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Solution

The fourth proportional to 51,750.06, 77,625.10 and 16,689.72 is: 25,034.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,750.06 : 77,625.10 = 16,689.72 : x
  2. Step 2: Convert to fraction form
    51,750.06/77,625.10 = 16,689.72/x
  3. Step 3: Cross multiply
    51,750.06x = 77,625.10 × 16,689.72
  4. Step 4: Simplify right side
    51,750.06x = 1,295,541,121.39
  5. Step 5: Solve for x
    x = 1,295,541,121.39/51,750.06
  6. Step 6: Final answer
    x = 25,034.58

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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.