Home / 34,694.25-47,878.07-18,778.83

Finding the Fourth Proportional to 34,694.25, 47,878.07 and 18,778.83

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Solution

The fourth proportional to 34,694.25, 47,878.07 and 18,778.83 is: 25,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,694.25 : 47,878.07 = 18,778.83 : x
  2. Step 2: Convert to fraction form
    34,694.25/47,878.07 = 18,778.83/x
  3. Step 3: Cross multiply
    34,694.25x = 47,878.07 × 18,778.83
  4. Step 4: Simplify right side
    34,694.25x = 899,094,043.36
  5. Step 5: Solve for x
    x = 899,094,043.36/34,694.25
  6. Step 6: Final answer
    x = 25,914.79

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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.