Home / 33,309.36-45,966.96-18,405.36

Finding the Fourth Proportional to 33,309.36, 45,966.96 and 18,405.36

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Solution

The fourth proportional to 33,309.36, 45,966.96 and 18,405.36 is: 25,399.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309.36 : 45,966.96 = 18,405.36 : x
  2. Step 2: Convert to fraction form
    33,309.36/45,966.96 = 18,405.36/x
  3. Step 3: Cross multiply
    33,309.36x = 45,966.96 × 18,405.36
  4. Step 4: Simplify right side
    33,309.36x = 846,038,446.91
  5. Step 5: Solve for x
    x = 846,038,446.91/33,309.36
  6. Step 6: Final answer
    x = 25,399.42

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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.