Home / 34,329.75-47,375.78-19,425.75

Finding the Fourth Proportional to 34,329.75, 47,375.78 and 19,425.75

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Solution

The fourth proportional to 34,329.75, 47,375.78 and 19,425.75 is: 26,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,329.75 : 47,375.78 = 19,425.75 : x
  2. Step 2: Convert to fraction form
    34,329.75/47,375.78 = 19,425.75/x
  3. Step 3: Cross multiply
    34,329.75x = 47,375.78 × 19,425.75
  4. Step 4: Simplify right side
    34,329.75x = 920,309,961.21
  5. Step 5: Solve for x
    x = 920,309,961.21/34,329.75
  6. Step 6: Final answer
    x = 26,807.94

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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.