Home / 51,554.39-71,147.03-28,893.56

Finding the Fourth Proportional to 51,554.39, 71,147.03 and 28,893.56

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Solution

The fourth proportional to 51,554.39, 71,147.03 and 28,893.56 is: 39,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,554.39 : 71,147.03 = 28,893.56 : x
  2. Step 2: Convert to fraction form
    51,554.39/71,147.03 = 28,893.56/x
  3. Step 3: Cross multiply
    51,554.39x = 71,147.03 × 28,893.56
  4. Step 4: Simplify right side
    51,554.39x = 2,055,690,479.92
  5. Step 5: Solve for x
    x = 2,055,690,479.92/51,554.39
  6. Step 6: Final answer
    x = 39,874.21

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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.