Home / 33,422.40-46,131.20-19,283.68

Finding the Fourth Proportional to 33,422.40, 46,131.20 and 19,283.68

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Solution

The fourth proportional to 33,422.40, 46,131.20 and 19,283.68 is: 26,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,422.40 : 46,131.20 = 19,283.68 : x
  2. Step 2: Convert to fraction form
    33,422.40/46,131.20 = 19,283.68/x
  3. Step 3: Cross multiply
    33,422.40x = 46,131.20 × 19,283.68
  4. Step 4: Simplify right side
    33,422.40x = 889,579,298.82
  5. Step 5: Solve for x
    x = 889,579,298.82/33,422.40
  6. Step 6: Final answer
    x = 26,616.26

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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.