Home / 51,974.55-71,725.14-28,101.15

Finding the Fourth Proportional to 51,974.55, 71,725.14 and 28,101.15

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Solution

The fourth proportional to 51,974.55, 71,725.14 and 28,101.15 is: 38,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,974.55 : 71,725.14 = 28,101.15 : x
  2. Step 2: Convert to fraction form
    51,974.55/71,725.14 = 28,101.15/x
  3. Step 3: Cross multiply
    51,974.55x = 71,725.14 × 28,101.15
  4. Step 4: Simplify right side
    51,974.55x = 2,015,558,917.91
  5. Step 5: Solve for x
    x = 2,015,558,917.91/51,974.55
  6. Step 6: Final answer
    x = 38,779.73

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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.