Home / 30,829.24-46,243.32-8,642.28

Finding the Fourth Proportional to 30,829.24, 46,243.32 and 8,642.28

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Solution

The fourth proportional to 30,829.24, 46,243.32 and 8,642.28 is: 12,963.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,829.24 : 46,243.32 = 8,642.28 : x
  2. Step 2: Convert to fraction form
    30,829.24/46,243.32 = 8,642.28/x
  3. Step 3: Cross multiply
    30,829.24x = 46,243.32 × 8,642.28
  4. Step 4: Simplify right side
    30,829.24x = 399,647,719.57
  5. Step 5: Solve for x
    x = 399,647,719.57/30,829.24
  6. Step 6: Final answer
    x = 12,963.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.