Home / 55,500.56-76,589.21-30,349.52

Finding the Fourth Proportional to 55,500.56, 76,589.21 and 30,349.52

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Solution

The fourth proportional to 55,500.56, 76,589.21 and 30,349.52 is: 41,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,500.56 : 76,589.21 = 30,349.52 : x
  2. Step 2: Convert to fraction form
    55,500.56/76,589.21 = 30,349.52/x
  3. Step 3: Cross multiply
    55,500.56x = 76,589.21 × 30,349.52
  4. Step 4: Simplify right side
    55,500.56x = 2,324,445,760.68
  5. Step 5: Solve for x
    x = 2,324,445,760.68/55,500.56
  6. Step 6: Final answer
    x = 41,881.48

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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.