Home / 33,838.20-46,695.54-18,730.80

Finding the Fourth Proportional to 33,838.20, 46,695.54 and 18,730.80

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Solution

The fourth proportional to 33,838.20, 46,695.54 and 18,730.80 is: 25,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,838.20 : 46,695.54 = 18,730.80 : x
  2. Step 2: Convert to fraction form
    33,838.20/46,695.54 = 18,730.80/x
  3. Step 3: Cross multiply
    33,838.20x = 46,695.54 × 18,730.80
  4. Step 4: Simplify right side
    33,838.20x = 874,644,820.63
  5. Step 5: Solve for x
    x = 874,644,820.63/33,838.20
  6. Step 6: Final answer
    x = 25,847.85

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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.