Home / 47,635.23-65,766.30-30,668.85

Finding the Fourth Proportional to 47,635.23, 65,766.30 and 30,668.85

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Solution

The fourth proportional to 47,635.23, 65,766.30 and 30,668.85 is: 42,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,635.23 : 65,766.30 = 30,668.85 : x
  2. Step 2: Convert to fraction form
    47,635.23/65,766.30 = 30,668.85/x
  3. Step 3: Cross multiply
    47,635.23x = 65,766.30 × 30,668.85
  4. Step 4: Simplify right side
    47,635.23x = 2,016,976,789.76
  5. Step 5: Solve for x
    x = 2,016,976,789.76/47,635.23
  6. Step 6: Final answer
    x = 42,342.12

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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.