Home / 31,082.10-42,893.37-16,934.64

Finding the Fourth Proportional to 31,082.10, 42,893.37 and 16,934.64

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Solution

The fourth proportional to 31,082.10, 42,893.37 and 16,934.64 is: 23,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,082.10 : 42,893.37 = 16,934.64 : x
  2. Step 2: Convert to fraction form
    31,082.10/42,893.37 = 16,934.64/x
  3. Step 3: Cross multiply
    31,082.10x = 42,893.37 × 16,934.64
  4. Step 4: Simplify right side
    31,082.10x = 726,383,779.34
  5. Step 5: Solve for x
    x = 726,383,779.34/31,082.10
  6. Step 6: Final answer
    x = 23,369.84

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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.