Home / 37,449.62-51,679.31-20,453.60

Finding the Fourth Proportional to 37,449.62, 51,679.31 and 20,453.60

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Solution

The fourth proportional to 37,449.62, 51,679.31 and 20,453.60 is: 28,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,449.62 : 51,679.31 = 20,453.60 : x
  2. Step 2: Convert to fraction form
    37,449.62/51,679.31 = 20,453.60/x
  3. Step 3: Cross multiply
    37,449.62x = 51,679.31 × 20,453.60
  4. Step 4: Simplify right side
    37,449.62x = 1,057,027,625.49
  5. Step 5: Solve for x
    x = 1,057,027,625.49/37,449.62
  6. Step 6: Final answer
    x = 28,225.32

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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.