Home / 34,668.20-47,842.18-18,752.66

Finding the Fourth Proportional to 34,668.20, 47,842.18 and 18,752.66

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Solution

The fourth proportional to 34,668.20, 47,842.18 and 18,752.66 is: 25,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,668.20 : 47,842.18 = 18,752.66 : x
  2. Step 2: Convert to fraction form
    34,668.20/47,842.18 = 18,752.66/x
  3. Step 3: Cross multiply
    34,668.20x = 47,842.18 × 18,752.66
  4. Step 4: Simplify right side
    34,668.20x = 897,168,135.20
  5. Step 5: Solve for x
    x = 897,168,135.20/34,668.20
  6. Step 6: Final answer
    x = 25,878.71

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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.