Home / 34,691.76-47,876.94-19,579.05

Finding the Fourth Proportional to 34,691.76, 47,876.94 and 19,579.05

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Solution

The fourth proportional to 34,691.76, 47,876.94 and 19,579.05 is: 27,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,691.76 : 47,876.94 = 19,579.05 : x
  2. Step 2: Convert to fraction form
    34,691.76/47,876.94 = 19,579.05/x
  3. Step 3: Cross multiply
    34,691.76x = 47,876.94 × 19,579.05
  4. Step 4: Simplify right side
    34,691.76x = 937,385,002.11
  5. Step 5: Solve for x
    x = 937,385,002.11/34,691.76
  6. Step 6: Final answer
    x = 27,020.39

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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.