Home / 37,198.89-51,334.47-20,431.89

Finding the Fourth Proportional to 37,198.89, 51,334.47 and 20,431.89

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Solution

The fourth proportional to 37,198.89, 51,334.47 and 20,431.89 is: 28,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,198.89 : 51,334.47 = 20,431.89 : x
  2. Step 2: Convert to fraction form
    37,198.89/51,334.47 = 20,431.89/x
  3. Step 3: Cross multiply
    37,198.89x = 51,334.47 × 20,431.89
  4. Step 4: Simplify right side
    37,198.89x = 1,048,860,244.25
  5. Step 5: Solve for x
    x = 1,048,860,244.25/37,198.89
  6. Step 6: Final answer
    x = 28,196.01

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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.