Home / 34,777-47,994.74-19,669.80

Finding the Fourth Proportional to 34,777, 47,994.74 and 19,669.80

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Solution

The fourth proportional to 34,777, 47,994.74 and 19,669.80 is: 27,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,777 : 47,994.74 = 19,669.80 : x
  2. Step 2: Convert to fraction form
    34,777/47,994.74 = 19,669.80/x
  3. Step 3: Cross multiply
    34,777x = 47,994.74 × 19,669.80
  4. Step 4: Simplify right side
    34,777x = 944,046,936.85
  5. Step 5: Solve for x
    x = 944,046,936.85/34,777
  6. Step 6: Final answer
    x = 27,145.73

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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.