Home / 33,813.35-46,661.40-18,705.12

Finding the Fourth Proportional to 33,813.35, 46,661.40 and 18,705.12

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Solution

The fourth proportional to 33,813.35, 46,661.40 and 18,705.12 is: 25,812.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,813.35 : 46,661.40 = 18,705.12 : x
  2. Step 2: Convert to fraction form
    33,813.35/46,661.40 = 18,705.12/x
  3. Step 3: Cross multiply
    33,813.35x = 46,661.40 × 18,705.12
  4. Step 4: Simplify right side
    33,813.35x = 872,807,086.37
  5. Step 5: Solve for x
    x = 872,807,086.37/33,813.35
  6. Step 6: Final answer
    x = 25,812.50

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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.