Home / 33,863-46,720.12-21,935.48

Finding the Fourth Proportional to 33,863, 46,720.12 and 21,935.48

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Solution

The fourth proportional to 33,863, 46,720.12 and 21,935.48 is: 30,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,863 : 46,720.12 = 21,935.48 : x
  2. Step 2: Convert to fraction form
    33,863/46,720.12 = 21,935.48/x
  3. Step 3: Cross multiply
    33,863x = 46,720.12 × 21,935.48
  4. Step 4: Simplify right side
    33,863x = 1,024,828,257.86
  5. Step 5: Solve for x
    x = 1,024,828,257.86/33,863
  6. Step 6: Final answer
    x = 30,263.95

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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.