Home / 31,946.85-44,063.19-21,172.23

Finding the Fourth Proportional to 31,946.85, 44,063.19 and 21,172.23

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Solution

The fourth proportional to 31,946.85, 44,063.19 and 21,172.23 is: 29,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,946.85 : 44,063.19 = 21,172.23 : x
  2. Step 2: Convert to fraction form
    31,946.85/44,063.19 = 21,172.23/x
  3. Step 3: Cross multiply
    31,946.85x = 44,063.19 × 21,172.23
  4. Step 4: Simplify right side
    31,946.85x = 932,915,993.21
  5. Step 5: Solve for x
    x = 932,915,993.21/31,946.85
  6. Step 6: Final answer
    x = 29,202.13

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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.