Home / 33,431.48-46,156.42-21,515.52

Finding the Fourth Proportional to 33,431.48, 46,156.42 and 21,515.52

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Solution

The fourth proportional to 33,431.48, 46,156.42 and 21,515.52 is: 29,704.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.48 : 46,156.42 = 21,515.52 : x
  2. Step 2: Convert to fraction form
    33,431.48/46,156.42 = 21,515.52/x
  3. Step 3: Cross multiply
    33,431.48x = 46,156.42 × 21,515.52
  4. Step 4: Simplify right side
    33,431.48x = 993,079,377.64
  5. Step 5: Solve for x
    x = 993,079,377.64/33,431.48
  6. Step 6: Final answer
    x = 29,704.92

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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.