Home / 37,696.88-56,546.89-12,739.47

Finding the Fourth Proportional to 37,696.88, 56,546.89 and 12,739.47

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Solution

The fourth proportional to 37,696.88, 56,546.89 and 12,739.47 is: 19,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,696.88 : 56,546.89 = 12,739.47 : x
  2. Step 2: Convert to fraction form
    37,696.88/56,546.89 = 12,739.47/x
  3. Step 3: Cross multiply
    37,696.88x = 56,546.89 × 12,739.47
  4. Step 4: Simplify right side
    37,696.88x = 720,377,408.75
  5. Step 5: Solve for x
    x = 720,377,408.75/37,696.88
  6. Step 6: Final answer
    x = 19,109.74

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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.