Home / 30,970.91-46,447.25-8,786.23

Finding the Fourth Proportional to 30,970.91, 46,447.25 and 8,786.23

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Solution

The fourth proportional to 30,970.91, 46,447.25 and 8,786.23 is: 13,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,970.91 : 46,447.25 = 8,786.23 : x
  2. Step 2: Convert to fraction form
    30,970.91/46,447.25 = 8,786.23/x
  3. Step 3: Cross multiply
    30,970.91x = 46,447.25 × 8,786.23
  4. Step 4: Simplify right side
    30,970.91x = 408,096,061.32
  5. Step 5: Solve for x
    x = 408,096,061.32/30,970.91
  6. Step 6: Final answer
    x = 13,176.75

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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.