Home / 33,837.12-46,716.48-21,280.32

Finding the Fourth Proportional to 33,837.12, 46,716.48 and 21,280.32

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Solution

The fourth proportional to 33,837.12, 46,716.48 and 21,280.32 is: 29,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,837.12 : 46,716.48 = 21,280.32 : x
  2. Step 2: Convert to fraction form
    33,837.12/46,716.48 = 21,280.32/x
  3. Step 3: Cross multiply
    33,837.12x = 46,716.48 × 21,280.32
  4. Step 4: Simplify right side
    33,837.12x = 994,141,643.67
  5. Step 5: Solve for x
    x = 994,141,643.67/33,837.12
  6. Step 6: Final answer
    x = 29,380.21

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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.