Home / 33,422.91-46,121.61-18,312.56

Finding the Fourth Proportional to 33,422.91, 46,121.61 and 18,312.56

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Solution

The fourth proportional to 33,422.91, 46,121.61 and 18,312.56 is: 25,270.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,422.91 : 46,121.61 = 18,312.56 : x
  2. Step 2: Convert to fraction form
    33,422.91/46,121.61 = 18,312.56/x
  3. Step 3: Cross multiply
    33,422.91x = 46,121.61 × 18,312.56
  4. Step 4: Simplify right side
    33,422.91x = 844,604,911.51
  5. Step 5: Solve for x
    x = 844,604,911.51/33,422.91
  6. Step 6: Final answer
    x = 25,270.24

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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.