Home / 34,839.94-48,063.69-20,684.58

Finding the Fourth Proportional to 34,839.94, 48,063.69 and 20,684.58

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Solution

The fourth proportional to 34,839.94, 48,063.69 and 20,684.58 is: 28,535.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,839.94 : 48,063.69 = 20,684.58 : x
  2. Step 2: Convert to fraction form
    34,839.94/48,063.69 = 20,684.58/x
  3. Step 3: Cross multiply
    34,839.94x = 48,063.69 × 20,684.58
  4. Step 4: Simplify right side
    34,839.94x = 994,177,240.90
  5. Step 5: Solve for x
    x = 994,177,240.90/34,839.94
  6. Step 6: Final answer
    x = 28,535.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.