Home / 33,490.31-46,214.09-18,380.57

Finding the Fourth Proportional to 33,490.31, 46,214.09 and 18,380.57

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Solution

The fourth proportional to 33,490.31, 46,214.09 and 18,380.57 is: 25,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,490.31 : 46,214.09 = 18,380.57 : x
  2. Step 2: Convert to fraction form
    33,490.31/46,214.09 = 18,380.57/x
  3. Step 3: Cross multiply
    33,490.31x = 46,214.09 × 18,380.57
  4. Step 4: Simplify right side
    33,490.31x = 849,441,108.79
  5. Step 5: Solve for x
    x = 849,441,108.79/33,490.31
  6. Step 6: Final answer
    x = 25,363.79

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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.