Home / 30,776.26-46,172.18-8,589.62

Finding the Fourth Proportional to 30,776.26, 46,172.18 and 8,589.62

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Solution

The fourth proportional to 30,776.26, 46,172.18 and 8,589.62 is: 12,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,776.26 : 46,172.18 = 8,589.62 : x
  2. Step 2: Convert to fraction form
    30,776.26/46,172.18 = 8,589.62/x
  3. Step 3: Cross multiply
    30,776.26x = 46,172.18 × 8,589.62
  4. Step 4: Simplify right side
    30,776.26x = 396,601,480.77
  5. Step 5: Solve for x
    x = 396,601,480.77/30,776.26
  6. Step 6: Final answer
    x = 12,886.60

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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.