Home / 33,143.16-45,739.23-18,995.97

Finding the Fourth Proportional to 33,143.16, 45,739.23 and 18,995.97

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Solution

The fourth proportional to 33,143.16, 45,739.23 and 18,995.97 is: 26,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,143.16 : 45,739.23 = 18,995.97 : x
  2. Step 2: Convert to fraction form
    33,143.16/45,739.23 = 18,995.97/x
  3. Step 3: Cross multiply
    33,143.16x = 45,739.23 × 18,995.97
  4. Step 4: Simplify right side
    33,143.16x = 868,861,040.90
  5. Step 5: Solve for x
    x = 868,861,040.90/33,143.16
  6. Step 6: Final answer
    x = 26,215.40

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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.