Home / 37,230.72-51,378.56-20,464.80

Finding the Fourth Proportional to 37,230.72, 51,378.56 and 20,464.80

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Solution

The fourth proportional to 37,230.72, 51,378.56 and 20,464.80 is: 28,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,230.72 : 51,378.56 = 20,464.80 : x
  2. Step 2: Convert to fraction form
    37,230.72/51,378.56 = 20,464.80/x
  3. Step 3: Cross multiply
    37,230.72x = 51,378.56 × 20,464.80
  4. Step 4: Simplify right side
    37,230.72x = 1,051,451,954.69
  5. Step 5: Solve for x
    x = 1,051,451,954.69/37,230.72
  6. Step 6: Final answer
    x = 28,241.52

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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.