Home / 30,841.76-46,234.48-12,108.32

Finding the Fourth Proportional to 30,841.76, 46,234.48 and 12,108.32

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Solution

The fourth proportional to 30,841.76, 46,234.48 and 12,108.32 is: 18,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,841.76 : 46,234.48 = 12,108.32 : x
  2. Step 2: Convert to fraction form
    30,841.76/46,234.48 = 12,108.32/x
  3. Step 3: Cross multiply
    30,841.76x = 46,234.48 × 12,108.32
  4. Step 4: Simplify right side
    30,841.76x = 559,821,878.87
  5. Step 5: Solve for x
    x = 559,821,878.87/30,841.76
  6. Step 6: Final answer
    x = 18,151.42

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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.