Home / 33,561.12-46,314.48-20,993.04

Finding the Fourth Proportional to 33,561.12, 46,314.48 and 20,993.04

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Solution

The fourth proportional to 33,561.12, 46,314.48 and 20,993.04 is: 28,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,561.12 : 46,314.48 = 20,993.04 : x
  2. Step 2: Convert to fraction form
    33,561.12/46,314.48 = 20,993.04/x
  3. Step 3: Cross multiply
    33,561.12x = 46,314.48 × 20,993.04
  4. Step 4: Simplify right side
    33,561.12x = 972,281,731.22
  5. Step 5: Solve for x
    x = 972,281,731.22/33,561.12
  6. Step 6: Final answer
    x = 28,970.48

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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.