Home / 34,286.76-47,315.48-19,179.36

Finding the Fourth Proportional to 34,286.76, 47,315.48 and 19,179.36

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Solution

The fourth proportional to 34,286.76, 47,315.48 and 19,179.36 is: 26,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,286.76 : 47,315.48 = 19,179.36 : x
  2. Step 2: Convert to fraction form
    34,286.76/47,315.48 = 19,179.36/x
  3. Step 3: Cross multiply
    34,286.76x = 47,315.48 × 19,179.36
  4. Step 4: Simplify right side
    34,286.76x = 907,480,624.49
  5. Step 5: Solve for x
    x = 907,480,624.49/34,286.76
  6. Step 6: Final answer
    x = 26,467.38

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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.