Home / 33,061.12-45,628.08-18,916

Finding the Fourth Proportional to 33,061.12, 45,628.08 and 18,916

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Solution

The fourth proportional to 33,061.12, 45,628.08 and 18,916 is: 26,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,061.12 : 45,628.08 = 18,916 : x
  2. Step 2: Convert to fraction form
    33,061.12/45,628.08 = 18,916/x
  3. Step 3: Cross multiply
    33,061.12x = 45,628.08 × 18,916
  4. Step 4: Simplify right side
    33,061.12x = 863,100,761.28
  5. Step 5: Solve for x
    x = 863,100,761.28/33,061.12
  6. Step 6: Final answer
    x = 26,106.22

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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.