Home / 30,774.15-46,161.57-8,586.18

Finding the Fourth Proportional to 30,774.15, 46,161.57 and 8,586.18

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Solution

The fourth proportional to 30,774.15, 46,161.57 and 8,586.18 is: 12,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,774.15 : 46,161.57 = 8,586.18 : x
  2. Step 2: Convert to fraction form
    30,774.15/46,161.57 = 8,586.18/x
  3. Step 3: Cross multiply
    30,774.15x = 46,161.57 × 8,586.18
  4. Step 4: Simplify right side
    30,774.15x = 396,351,549.10
  5. Step 5: Solve for x
    x = 396,351,549.10/30,774.15
  6. Step 6: Final answer
    x = 12,879.37

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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.