Home / 37,636.26-51,940.50-21,721.80

Finding the Fourth Proportional to 37,636.26, 51,940.50 and 21,721.80

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Solution

The fourth proportional to 37,636.26, 51,940.50 and 21,721.80 is: 29,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,636.26 : 51,940.50 = 21,721.80 : x
  2. Step 2: Convert to fraction form
    37,636.26/51,940.50 = 21,721.80/x
  3. Step 3: Cross multiply
    37,636.26x = 51,940.50 × 21,721.80
  4. Step 4: Simplify right side
    37,636.26x = 1,128,241,152.90
  5. Step 5: Solve for x
    x = 1,128,241,152.90/37,636.26
  6. Step 6: Final answer
    x = 29,977.50

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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.