Home / 46,718.22-64,448.72-30,578.43

Finding the Fourth Proportional to 46,718.22, 64,448.72 and 30,578.43

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Solution

The fourth proportional to 46,718.22, 64,448.72 and 30,578.43 is: 42,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,718.22 : 64,448.72 = 30,578.43 : x
  2. Step 2: Convert to fraction form
    46,718.22/64,448.72 = 30,578.43/x
  3. Step 3: Cross multiply
    46,718.22x = 64,448.72 × 30,578.43
  4. Step 4: Simplify right side
    46,718.22x = 1,970,740,197.97
  5. Step 5: Solve for x
    x = 1,970,740,197.97/46,718.22
  6. Step 6: Final answer
    x = 42,183.55

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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.