Home / 57,817.70-79,759.20-38,698.27

Finding the Fourth Proportional to 57,817.70, 79,759.20 and 38,698.27

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Solution

The fourth proportional to 57,817.70, 79,759.20 and 38,698.27 is: 53,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,817.70 : 79,759.20 = 38,698.27 : x
  2. Step 2: Convert to fraction form
    57,817.70/79,759.20 = 38,698.27/x
  3. Step 3: Cross multiply
    57,817.70x = 79,759.20 × 38,698.27
  4. Step 4: Simplify right side
    57,817.70x = 3,086,543,233.27
  5. Step 5: Solve for x
    x = 3,086,543,233.27/57,817.70
  6. Step 6: Final answer
    x = 53,384.06

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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.