Home / 33,309.37-45,972-19,161.31

Finding the Fourth Proportional to 33,309.37, 45,972 and 19,161.31

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Solution

The fourth proportional to 33,309.37, 45,972 and 19,161.31 is: 26,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309.37 : 45,972 = 19,161.31 : x
  2. Step 2: Convert to fraction form
    33,309.37/45,972 = 19,161.31/x
  3. Step 3: Cross multiply
    33,309.37x = 45,972 × 19,161.31
  4. Step 4: Simplify right side
    33,309.37x = 880,883,743.32
  5. Step 5: Solve for x
    x = 880,883,743.32/33,309.37
  6. Step 6: Final answer
    x = 26,445.52

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1.5x scale

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.