Home / 34,738.26-47,946.68-19,639.70

Finding the Fourth Proportional to 34,738.26, 47,946.68 and 19,639.70

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Solution

The fourth proportional to 34,738.26, 47,946.68 and 19,639.70 is: 27,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,738.26 : 47,946.68 = 19,639.70 : x
  2. Step 2: Convert to fraction form
    34,738.26/47,946.68 = 19,639.70/x
  3. Step 3: Cross multiply
    34,738.26x = 47,946.68 × 19,639.70
  4. Step 4: Simplify right side
    34,738.26x = 941,658,073.26
  5. Step 5: Solve for x
    x = 941,658,073.26/34,738.26
  6. Step 6: Final answer
    x = 27,107.23

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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.