Home / 34,766.43-47,977.39-19,659.09

Finding the Fourth Proportional to 34,766.43, 47,977.39 and 19,659.09

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Solution

The fourth proportional to 34,766.43, 47,977.39 and 19,659.09 is: 27,129.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,766.43 : 47,977.39 = 19,659.09 : x
  2. Step 2: Convert to fraction form
    34,766.43/47,977.39 = 19,659.09/x
  3. Step 3: Cross multiply
    34,766.43x = 47,977.39 × 19,659.09
  4. Step 4: Simplify right side
    34,766.43x = 943,191,827.98
  5. Step 5: Solve for x
    x = 943,191,827.98/34,766.43
  6. Step 6: Final answer
    x = 27,129.38

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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.