Home / 57,272.36-79,035.78-32,121.64

Finding the Fourth Proportional to 57,272.36, 79,035.78 and 32,121.64

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Solution

The fourth proportional to 57,272.36, 79,035.78 and 32,121.64 is: 44,327.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,272.36 : 79,035.78 = 32,121.64 : x
  2. Step 2: Convert to fraction form
    57,272.36/79,035.78 = 32,121.64/x
  3. Step 3: Cross multiply
    57,272.36x = 79,035.78 × 32,121.64
  4. Step 4: Simplify right side
    57,272.36x = 2,538,758,872.28
  5. Step 5: Solve for x
    x = 2,538,758,872.28/57,272.36
  6. Step 6: Final answer
    x = 44,327.82

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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.