Home / 33,275.36-45,919.32-19,128.08

Finding the Fourth Proportional to 33,275.36, 45,919.32 and 19,128.08

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Solution

The fourth proportional to 33,275.36, 45,919.32 and 19,128.08 is: 26,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,275.36 : 45,919.32 = 19,128.08 : x
  2. Step 2: Convert to fraction form
    33,275.36/45,919.32 = 19,128.08/x
  3. Step 3: Cross multiply
    33,275.36x = 45,919.32 × 19,128.08
  4. Step 4: Simplify right side
    33,275.36x = 878,348,426.51
  5. Step 5: Solve for x
    x = 878,348,426.51/33,275.36
  6. Step 6: Final answer
    x = 26,396.36

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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.