Home / 34,134.60-47,105.64-19,984.62

Finding the Fourth Proportional to 34,134.60, 47,105.64 and 19,984.62

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Solution

The fourth proportional to 34,134.60, 47,105.64 and 19,984.62 is: 27,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,134.60 : 47,105.64 = 19,984.62 : x
  2. Step 2: Convert to fraction form
    34,134.60/47,105.64 = 19,984.62/x
  3. Step 3: Cross multiply
    34,134.60x = 47,105.64 × 19,984.62
  4. Step 4: Simplify right side
    34,134.60x = 941,388,315.26
  5. Step 5: Solve for x
    x = 941,388,315.26/34,134.60
  6. Step 6: Final answer
    x = 27,578.71

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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.