Home / 57,321.78-79,104.08-32,171.28

Finding the Fourth Proportional to 57,321.78, 79,104.08 and 32,171.28

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Solution

The fourth proportional to 57,321.78, 79,104.08 and 32,171.28 is: 44,396.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,321.78 : 79,104.08 = 32,171.28 : x
  2. Step 2: Convert to fraction form
    57,321.78/79,104.08 = 32,171.28/x
  3. Step 3: Cross multiply
    57,321.78x = 79,104.08 × 32,171.28
  4. Step 4: Simplify right side
    57,321.78x = 2,544,879,506.82
  5. Step 5: Solve for x
    x = 2,544,879,506.82/57,321.78
  6. Step 6: Final answer
    x = 44,396.38

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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.