Home / 52,915.28-79,372.98-17,879.54

Finding the Fourth Proportional to 52,915.28, 79,372.98 and 17,879.54

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Solution

The fourth proportional to 52,915.28, 79,372.98 and 17,879.54 is: 26,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,915.28 : 79,372.98 = 17,879.54 : x
  2. Step 2: Convert to fraction form
    52,915.28/79,372.98 = 17,879.54/x
  3. Step 3: Cross multiply
    52,915.28x = 79,372.98 × 17,879.54
  4. Step 4: Simplify right side
    52,915.28x = 1,419,151,973.96
  5. Step 5: Solve for x
    x = 1,419,151,973.96/52,915.28
  6. Step 6: Final answer
    x = 26,819.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.