Home / 33,788.12-46,608.90-19,639.40

Finding the Fourth Proportional to 33,788.12, 46,608.90 and 19,639.40

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Solution

The fourth proportional to 33,788.12, 46,608.90 and 19,639.40 is: 27,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,788.12 : 46,608.90 = 19,639.40 : x
  2. Step 2: Convert to fraction form
    33,788.12/46,608.90 = 19,639.40/x
  3. Step 3: Cross multiply
    33,788.12x = 46,608.90 × 19,639.40
  4. Step 4: Simplify right side
    33,788.12x = 915,370,830.66
  5. Step 5: Solve for x
    x = 915,370,830.66/33,788.12
  6. Step 6: Final answer
    x = 27,091.50

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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.