Home / 47,875.20-71,842.72-18,295.60

Finding the Fourth Proportional to 47,875.20, 71,842.72 and 18,295.60

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Solution

The fourth proportional to 47,875.20, 71,842.72 and 18,295.60 is: 27,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,875.20 : 71,842.72 = 18,295.60 : x
  2. Step 2: Convert to fraction form
    47,875.20/71,842.72 = 18,295.60/x
  3. Step 3: Cross multiply
    47,875.20x = 71,842.72 × 18,295.60
  4. Step 4: Simplify right side
    47,875.20x = 1,314,405,668.03
  5. Step 5: Solve for x
    x = 1,314,405,668.03/47,875.20
  6. Step 6: Final answer
    x = 27,454.83

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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.