Home / 34,906.70-48,171.36-18,991.14

Finding the Fourth Proportional to 34,906.70, 48,171.36 and 18,991.14

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Solution

The fourth proportional to 34,906.70, 48,171.36 and 18,991.14 is: 26,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,906.70 : 48,171.36 = 18,991.14 : x
  2. Step 2: Convert to fraction form
    34,906.70/48,171.36 = 18,991.14/x
  3. Step 3: Cross multiply
    34,906.70x = 48,171.36 × 18,991.14
  4. Step 4: Simplify right side
    34,906.70x = 914,829,041.75
  5. Step 5: Solve for x
    x = 914,829,041.75/34,906.70
  6. Step 6: Final answer
    x = 26,207.84

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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.