Home / 37,152.36-55,738.26-20,509.56

Finding the Fourth Proportional to 37,152.36, 55,738.26 and 20,509.56

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Solution

The fourth proportional to 37,152.36, 55,738.26 and 20,509.56 is: 30,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,152.36 : 55,738.26 = 20,509.56 : x
  2. Step 2: Convert to fraction form
    37,152.36/55,738.26 = 20,509.56/x
  3. Step 3: Cross multiply
    37,152.36x = 55,738.26 × 20,509.56
  4. Step 4: Simplify right side
    37,152.36x = 1,143,167,187.77
  5. Step 5: Solve for x
    x = 1,143,167,187.77/37,152.36
  6. Step 6: Final answer
    x = 30,769.71

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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.