Home / 47,716.74-71,575.11-18,127.58

Finding the Fourth Proportional to 47,716.74, 71,575.11 and 18,127.58

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Solution

The fourth proportional to 47,716.74, 71,575.11 and 18,127.58 is: 27,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,716.74 : 71,575.11 = 18,127.58 : x
  2. Step 2: Convert to fraction form
    47,716.74/71,575.11 = 18,127.58/x
  3. Step 3: Cross multiply
    47,716.74x = 71,575.11 × 18,127.58
  4. Step 4: Simplify right side
    47,716.74x = 1,297,483,174.66
  5. Step 5: Solve for x
    x = 1,297,483,174.66/47,716.74
  6. Step 6: Final answer
    x = 27,191.36

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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.