Home / 69,256.94-103,803.38-31,785.44

Finding the Fourth Proportional to 69,256.94, 103,803.38 and 31,785.44

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Solution

The fourth proportional to 69,256.94, 103,803.38 and 31,785.44 is: 47,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,256.94 : 103,803.38 = 31,785.44 : x
  2. Step 2: Convert to fraction form
    69,256.94/103,803.38 = 31,785.44/x
  3. Step 3: Cross multiply
    69,256.94x = 103,803.38 × 31,785.44
  4. Step 4: Simplify right side
    69,256.94x = 3,299,436,106.79
  5. Step 5: Solve for x
    x = 3,299,436,106.79/69,256.94
  6. Step 6: Final answer
    x = 47,640.51

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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.