Home / 34,668.38-47,842.31-18,752.78

Finding the Fourth Proportional to 34,668.38, 47,842.31 and 18,752.78

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Solution

The fourth proportional to 34,668.38, 47,842.31 and 18,752.78 is: 25,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,668.38 : 47,842.31 = 18,752.78 : x
  2. Step 2: Convert to fraction form
    34,668.38/47,842.31 = 18,752.78/x
  3. Step 3: Cross multiply
    34,668.38x = 47,842.31 × 18,752.78
  4. Step 4: Simplify right side
    34,668.38x = 897,176,480.61
  5. Step 5: Solve for x
    x = 897,176,480.61/34,668.38
  6. Step 6: Final answer
    x = 25,878.81

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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.