Home / 53,121.94-79,691.56-15,685.80

Finding the Fourth Proportional to 53,121.94, 79,691.56 and 15,685.80

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Solution

The fourth proportional to 53,121.94, 79,691.56 and 15,685.80 is: 23,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,121.94 : 79,691.56 = 15,685.80 : x
  2. Step 2: Convert to fraction form
    53,121.94/79,691.56 = 15,685.80/x
  3. Step 3: Cross multiply
    53,121.94x = 79,691.56 × 15,685.80
  4. Step 4: Simplify right side
    53,121.94x = 1,250,025,473.39
  5. Step 5: Solve for x
    x = 1,250,025,473.39/53,121.94
  6. Step 6: Final answer
    x = 23,531.25

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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.