Home / 35,480.29-48,974.67-21,144.62

Finding the Fourth Proportional to 35,480.29, 48,974.67 and 21,144.62

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Solution

The fourth proportional to 35,480.29, 48,974.67 and 21,144.62 is: 29,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,480.29 : 48,974.67 = 21,144.62 : x
  2. Step 2: Convert to fraction form
    35,480.29/48,974.67 = 21,144.62/x
  3. Step 3: Cross multiply
    35,480.29x = 48,974.67 × 21,144.62
  4. Step 4: Simplify right side
    35,480.29x = 1,035,550,436.18
  5. Step 5: Solve for x
    x = 1,035,550,436.18/35,480.29
  6. Step 6: Final answer
    x = 29,186.64

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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.