Home / 33,861.51-46,715.54-21,107.25

Finding the Fourth Proportional to 33,861.51, 46,715.54 and 21,107.25

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Solution

The fourth proportional to 33,861.51, 46,715.54 and 21,107.25 is: 29,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,861.51 : 46,715.54 = 21,107.25 : x
  2. Step 2: Convert to fraction form
    33,861.51/46,715.54 = 21,107.25/x
  3. Step 3: Cross multiply
    33,861.51x = 46,715.54 × 21,107.25
  4. Step 4: Simplify right side
    33,861.51x = 986,036,476.13
  5. Step 5: Solve for x
    x = 986,036,476.13/33,861.51
  6. Step 6: Final answer
    x = 29,119.68

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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.