Home / 34,906.84-48,170.01-18,991.31

Finding the Fourth Proportional to 34,906.84, 48,170.01 and 18,991.31

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Solution

The fourth proportional to 34,906.84, 48,170.01 and 18,991.31 is: 26,207.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,906.84 : 48,170.01 = 18,991.31 : x
  2. Step 2: Convert to fraction form
    34,906.84/48,170.01 = 18,991.31/x
  3. Step 3: Cross multiply
    34,906.84x = 48,170.01 × 18,991.31
  4. Step 4: Simplify right side
    34,906.84x = 914,811,351.76
  5. Step 5: Solve for x
    x = 914,811,351.76/34,906.84
  6. Step 6: Final answer
    x = 26,207.23

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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.