Home / 33,807.80-46,654.36-18,699.28

Finding the Fourth Proportional to 33,807.80, 46,654.36 and 18,699.28

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Solution

The fourth proportional to 33,807.80, 46,654.36 and 18,699.28 is: 25,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,807.80 : 46,654.36 = 18,699.28 : x
  2. Step 2: Convert to fraction form
    33,807.80/46,654.36 = 18,699.28/x
  3. Step 3: Cross multiply
    33,807.80x = 46,654.36 × 18,699.28
  4. Step 4: Simplify right side
    33,807.80x = 872,402,940.86
  5. Step 5: Solve for x
    x = 872,402,940.86/33,807.80
  6. Step 6: Final answer
    x = 25,804.78

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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.