Home / 57,708.56-79,629-36,516.80

Finding the Fourth Proportional to 57,708.56, 79,629 and 36,516.80

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Solution

The fourth proportional to 57,708.56, 79,629 and 36,516.80 is: 50,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,708.56 : 79,629 = 36,516.80 : x
  2. Step 2: Convert to fraction form
    57,708.56/79,629 = 36,516.80/x
  3. Step 3: Cross multiply
    57,708.56x = 79,629 × 36,516.80
  4. Step 4: Simplify right side
    57,708.56x = 2,907,796,267.20
  5. Step 5: Solve for x
    x = 2,907,796,267.20/57,708.56
  6. Step 6: Final answer
    x = 50,387.61

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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.