Home / 47,825.78-71,735.90-18,246.60

Finding the Fourth Proportional to 47,825.78, 71,735.90 and 18,246.60

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Solution

The fourth proportional to 47,825.78, 71,735.90 and 18,246.60 is: 27,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,825.78 : 71,735.90 = 18,246.60 : x
  2. Step 2: Convert to fraction form
    47,825.78/71,735.90 = 18,246.60/x
  3. Step 3: Cross multiply
    47,825.78x = 71,735.90 × 18,246.60
  4. Step 4: Simplify right side
    47,825.78x = 1,308,936,181.71
  5. Step 5: Solve for x
    x = 1,308,936,181.71/47,825.78
  6. Step 6: Final answer
    x = 27,368.84

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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.