Home / 34,668.78-47,839.32-19,562.28

Finding the Fourth Proportional to 34,668.78, 47,839.32 and 19,562.28

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Solution

The fourth proportional to 34,668.78, 47,839.32 and 19,562.28 is: 26,993.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,668.78 : 47,839.32 = 19,562.28 : x
  2. Step 2: Convert to fraction form
    34,668.78/47,839.32 = 19,562.28/x
  3. Step 3: Cross multiply
    34,668.78x = 47,839.32 × 19,562.28
  4. Step 4: Simplify right side
    34,668.78x = 935,846,172.85
  5. Step 5: Solve for x
    x = 935,846,172.85/34,668.78
  6. Step 6: Final answer
    x = 26,993.92

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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.