Home / 35,105.16-48,470.49-21,694.80

Finding the Fourth Proportional to 35,105.16, 48,470.49 and 21,694.80

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Solution

The fourth proportional to 35,105.16, 48,470.49 and 21,694.80 is: 29,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.16 : 48,470.49 = 21,694.80 : x
  2. Step 2: Convert to fraction form
    35,105.16/48,470.49 = 21,694.80/x
  3. Step 3: Cross multiply
    35,105.16x = 48,470.49 × 21,694.80
  4. Step 4: Simplify right side
    35,105.16x = 1,051,557,586.45
  5. Step 5: Solve for x
    x = 1,051,557,586.45/35,105.16
  6. Step 6: Final answer
    x = 29,954.50

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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.