Home / 33,628.96-46,406.16-18,724

Finding the Fourth Proportional to 33,628.96, 46,406.16 and 18,724

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Solution

The fourth proportional to 33,628.96, 46,406.16 and 18,724 is: 25,838.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,628.96 : 46,406.16 = 18,724 : x
  2. Step 2: Convert to fraction form
    33,628.96/46,406.16 = 18,724/x
  3. Step 3: Cross multiply
    33,628.96x = 46,406.16 × 18,724
  4. Step 4: Simplify right side
    33,628.96x = 868,908,939.84
  5. Step 5: Solve for x
    x = 868,908,939.84/33,628.96
  6. Step 6: Final answer
    x = 25,838.12

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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.