Home / 34,112.58-47,078.82-19,007.70

Finding the Fourth Proportional to 34,112.58, 47,078.82 and 19,007.70

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Solution

The fourth proportional to 34,112.58, 47,078.82 and 19,007.70 is: 26,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,112.58 : 47,078.82 = 19,007.70 : x
  2. Step 2: Convert to fraction form
    34,112.58/47,078.82 = 19,007.70/x
  3. Step 3: Cross multiply
    34,112.58x = 47,078.82 × 19,007.70
  4. Step 4: Simplify right side
    34,112.58x = 894,860,086.91
  5. Step 5: Solve for x
    x = 894,860,086.91/34,112.58
  6. Step 6: Final answer
    x = 26,232.55

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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.