Home / 30,733.22-42,398.94-18,792.74

Finding the Fourth Proportional to 30,733.22, 42,398.94 and 18,792.74

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Solution

The fourth proportional to 30,733.22, 42,398.94 and 18,792.74 is: 25,926.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,733.22 : 42,398.94 = 18,792.74 : x
  2. Step 2: Convert to fraction form
    30,733.22/42,398.94 = 18,792.74/x
  3. Step 3: Cross multiply
    30,733.22x = 42,398.94 × 18,792.74
  4. Step 4: Simplify right side
    30,733.22x = 796,792,255.70
  5. Step 5: Solve for x
    x = 796,792,255.70/30,733.22
  6. Step 6: Final answer
    x = 25,926.09

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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.