Home / 33,362.40-46,018.32-21,406.80

Finding the Fourth Proportional to 33,362.40, 46,018.32 and 21,406.80

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Solution

The fourth proportional to 33,362.40, 46,018.32 and 21,406.80 is: 29,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,362.40 : 46,018.32 = 21,406.80 : x
  2. Step 2: Convert to fraction form
    33,362.40/46,018.32 = 21,406.80/x
  3. Step 3: Cross multiply
    33,362.40x = 46,018.32 × 21,406.80
  4. Step 4: Simplify right side
    33,362.40x = 985,104,972.58
  5. Step 5: Solve for x
    x = 985,104,972.58/33,362.40
  6. Step 6: Final answer
    x = 29,527.40

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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.