Home / 34,668.90-47,842.79-18,753.21

Finding the Fourth Proportional to 34,668.90, 47,842.79 and 18,753.21

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Solution

The fourth proportional to 34,668.90, 47,842.79 and 18,753.21 is: 25,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,668.90 : 47,842.79 = 18,753.21 : x
  2. Step 2: Convert to fraction form
    34,668.90/47,842.79 = 18,753.21/x
  3. Step 3: Cross multiply
    34,668.90x = 47,842.79 × 18,753.21
  4. Step 4: Simplify right side
    34,668.90x = 897,205,794.09
  5. Step 5: Solve for x
    x = 897,205,794.09/34,668.90
  6. Step 6: Final answer
    x = 25,879.27

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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.