Home / 35,825.41-53,738.62-13,640.00

Finding the Fourth Proportional to 35,825.41, 53,738.62 and 13,640.00

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Solution

The fourth proportional to 35,825.41, 53,738.62 and 13,640.00 is: 20,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,825.41 : 53,738.62 = 13,640.00 : x
  2. Step 2: Convert to fraction form
    35,825.41/53,738.62 = 13,640.00/x
  3. Step 3: Cross multiply
    35,825.41x = 53,738.62 × 13,640.00
  4. Step 4: Simplify right side
    35,825.41x = 732,994,726.68
  5. Step 5: Solve for x
    x = 732,994,726.68/35,825.41
  6. Step 6: Final answer
    x = 20,460.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.