Home / 53,086.26-79,626.68-19,803.70

Finding the Fourth Proportional to 53,086.26, 79,626.68 and 19,803.70

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Solution

The fourth proportional to 53,086.26, 79,626.68 and 19,803.70 is: 29,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,086.26 : 79,626.68 = 19,803.70 : x
  2. Step 2: Convert to fraction form
    53,086.26/79,626.68 = 19,803.70/x
  3. Step 3: Cross multiply
    53,086.26x = 79,626.68 × 19,803.70
  4. Step 4: Simplify right side
    53,086.26x = 1,576,902,882.72
  5. Step 5: Solve for x
    x = 1,576,902,882.72/53,086.26
  6. Step 6: Final answer
    x = 29,704.54

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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.