Home / 33,678.35-46,457.10-21,081.23

Finding the Fourth Proportional to 33,678.35, 46,457.10 and 21,081.23

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Solution

The fourth proportional to 33,678.35, 46,457.10 and 21,081.23 is: 29,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,678.35 : 46,457.10 = 21,081.23 : x
  2. Step 2: Convert to fraction form
    33,678.35/46,457.10 = 21,081.23/x
  3. Step 3: Cross multiply
    33,678.35x = 46,457.10 × 21,081.23
  4. Step 4: Simplify right side
    33,678.35x = 979,372,810.23
  5. Step 5: Solve for x
    x = 979,372,810.23/33,678.35
  6. Step 6: Final answer
    x = 29,080.19

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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.