Home / 30,832.89-46,247.71-8,647.80

Finding the Fourth Proportional to 30,832.89, 46,247.71 and 8,647.80

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Solution

The fourth proportional to 30,832.89, 46,247.71 and 8,647.80 is: 12,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,832.89 : 46,247.71 = 8,647.80 : x
  2. Step 2: Convert to fraction form
    30,832.89/46,247.71 = 8,647.80/x
  3. Step 3: Cross multiply
    30,832.89x = 46,247.71 × 8,647.80
  4. Step 4: Simplify right side
    30,832.89x = 399,940,946.54
  5. Step 5: Solve for x
    x = 399,940,946.54/30,832.89
  6. Step 6: Final answer
    x = 12,971.24

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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.