Home / 34,286.58-47,311.19-19,176.78

Finding the Fourth Proportional to 34,286.58, 47,311.19 and 19,176.78

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Solution

The fourth proportional to 34,286.58, 47,311.19 and 19,176.78 is: 26,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,286.58 : 47,311.19 = 19,176.78 : x
  2. Step 2: Convert to fraction form
    34,286.58/47,311.19 = 19,176.78/x
  3. Step 3: Cross multiply
    34,286.58x = 47,311.19 × 19,176.78
  4. Step 4: Simplify right side
    34,286.58x = 907,276,186.28
  5. Step 5: Solve for x
    x = 907,276,186.28/34,286.58
  6. Step 6: Final answer
    x = 26,461.55

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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.