Home / 30,514.45-42,107.92-17,085.58

Finding the Fourth Proportional to 30,514.45, 42,107.92 and 17,085.58

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Solution

The fourth proportional to 30,514.45, 42,107.92 and 17,085.58 is: 23,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,514.45 : 42,107.92 = 17,085.58 : x
  2. Step 2: Convert to fraction form
    30,514.45/42,107.92 = 17,085.58/x
  3. Step 3: Cross multiply
    30,514.45x = 42,107.92 × 17,085.58
  4. Step 4: Simplify right side
    30,514.45x = 719,438,235.79
  5. Step 5: Solve for x
    x = 719,438,235.79/30,514.45
  6. Step 6: Final answer
    x = 23,576.97

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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.