Home / 33,686.91-46,509.57-30,143.97

Finding the Fourth Proportional to 33,686.91, 46,509.57 and 30,143.97

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Solution

The fourth proportional to 33,686.91, 46,509.57 and 30,143.97 is: 41,618.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,686.91 : 46,509.57 = 30,143.97 : x
  2. Step 2: Convert to fraction form
    33,686.91/46,509.57 = 30,143.97/x
  3. Step 3: Cross multiply
    33,686.91x = 46,509.57 × 30,143.97
  4. Step 4: Simplify right side
    33,686.91x = 1,401,983,082.79
  5. Step 5: Solve for x
    x = 1,401,983,082.79/33,686.91
  6. Step 6: Final answer
    x = 41,618.04

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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.