Home / 33,118.24-45,701.32-18,971.99

Finding the Fourth Proportional to 33,118.24, 45,701.32 and 18,971.99

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Solution

The fourth proportional to 33,118.24, 45,701.32 and 18,971.99 is: 26,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,118.24 : 45,701.32 = 18,971.99 : x
  2. Step 2: Convert to fraction form
    33,118.24/45,701.32 = 18,971.99/x
  3. Step 3: Cross multiply
    33,118.24x = 45,701.32 × 18,971.99
  4. Step 4: Simplify right side
    33,118.24x = 867,044,986.03
  5. Step 5: Solve for x
    x = 867,044,986.03/33,118.24
  6. Step 6: Final answer
    x = 26,180.29

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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.