Home / 34,705.10-47,893.20-18,789.56

Finding the Fourth Proportional to 34,705.10, 47,893.20 and 18,789.56

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Solution

The fourth proportional to 34,705.10, 47,893.20 and 18,789.56 is: 25,929.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,705.10 : 47,893.20 = 18,789.56 : x
  2. Step 2: Convert to fraction form
    34,705.10/47,893.20 = 18,789.56/x
  3. Step 3: Cross multiply
    34,705.10x = 47,893.20 × 18,789.56
  4. Step 4: Simplify right side
    34,705.10x = 899,892,154.99
  5. Step 5: Solve for x
    x = 899,892,154.99/34,705.10
  6. Step 6: Final answer
    x = 25,929.68

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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.