Home / 33,121.08-45,713.58-18,983.40

Finding the Fourth Proportional to 33,121.08, 45,713.58 and 18,983.40

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Solution

The fourth proportional to 33,121.08, 45,713.58 and 18,983.40 is: 26,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.08 : 45,713.58 = 18,983.40 : x
  2. Step 2: Convert to fraction form
    33,121.08/45,713.58 = 18,983.40/x
  3. Step 3: Cross multiply
    33,121.08x = 45,713.58 × 18,983.40
  4. Step 4: Simplify right side
    33,121.08x = 867,799,174.57
  5. Step 5: Solve for x
    x = 867,799,174.57/33,121.08
  6. Step 6: Final answer
    x = 26,200.81

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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.