Home / 37,636.22-51,939.60-21,720.62

Finding the Fourth Proportional to 37,636.22, 51,939.60 and 21,720.62

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Solution

The fourth proportional to 37,636.22, 51,939.60 and 21,720.62 is: 29,975.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,636.22 : 51,939.60 = 21,720.62 : x
  2. Step 2: Convert to fraction form
    37,636.22/51,939.60 = 21,720.62/x
  3. Step 3: Cross multiply
    37,636.22x = 51,939.60 × 21,720.62
  4. Step 4: Simplify right side
    37,636.22x = 1,128,160,314.55
  5. Step 5: Solve for x
    x = 1,128,160,314.55/37,636.22
  6. Step 6: Final answer
    x = 29,975.39

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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.