Home / 47,390.20-71,036.70-27,658.60

Finding the Fourth Proportional to 47,390.20, 71,036.70 and 27,658.60

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Solution

The fourth proportional to 47,390.20, 71,036.70 and 27,658.60 is: 41,459.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,390.20 : 71,036.70 = 27,658.60 : x
  2. Step 2: Convert to fraction form
    47,390.20/71,036.70 = 27,658.60/x
  3. Step 3: Cross multiply
    47,390.20x = 71,036.70 × 27,658.60
  4. Step 4: Simplify right side
    47,390.20x = 1,964,775,670.62
  5. Step 5: Solve for x
    x = 1,964,775,670.62/47,390.20
  6. Step 6: Final answer
    x = 41,459.54

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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.