Home / 37,507.20-56,231.61-18,777.60

Finding the Fourth Proportional to 37,507.20, 56,231.61 and 18,777.60

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Solution

The fourth proportional to 37,507.20, 56,231.61 and 18,777.60 is: 28,151.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,507.20 : 56,231.61 = 18,777.60 : x
  2. Step 2: Convert to fraction form
    37,507.20/56,231.61 = 18,777.60/x
  3. Step 3: Cross multiply
    37,507.20x = 56,231.61 × 18,777.60
  4. Step 4: Simplify right side
    37,507.20x = 1,055,894,679.94
  5. Step 5: Solve for x
    x = 1,055,894,679.94/37,507.20
  6. Step 6: Final answer
    x = 28,151.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.