Home / 33,134.64-45,726.60-18,991.92

Finding the Fourth Proportional to 33,134.64, 45,726.60 and 18,991.92

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Solution

The fourth proportional to 33,134.64, 45,726.60 and 18,991.92 is: 26,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,134.64 : 45,726.60 = 18,991.92 : x
  2. Step 2: Convert to fraction form
    33,134.64/45,726.60 = 18,991.92/x
  3. Step 3: Cross multiply
    33,134.64x = 45,726.60 × 18,991.92
  4. Step 4: Simplify right side
    33,134.64x = 868,435,929.07
  5. Step 5: Solve for x
    x = 868,435,929.07/33,134.64
  6. Step 6: Final answer
    x = 26,209.31

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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.