Home / 37,636.72-51,940.97-21,722.19

Finding the Fourth Proportional to 37,636.72, 51,940.97 and 21,722.19

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Solution

The fourth proportional to 37,636.72, 51,940.97 and 21,722.19 is: 29,977.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,636.72 : 51,940.97 = 21,722.19 : x
  2. Step 2: Convert to fraction form
    37,636.72/51,940.97 = 21,722.19/x
  3. Step 3: Cross multiply
    37,636.72x = 51,940.97 × 21,722.19
  4. Step 4: Simplify right side
    37,636.72x = 1,128,271,619.12
  5. Step 5: Solve for x
    x = 1,128,271,619.12/37,636.72
  6. Step 6: Final answer
    x = 29,977.95

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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.