Home / 30,811.37-46,196.19-12,079.71

Finding the Fourth Proportional to 30,811.37, 46,196.19 and 12,079.71

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Solution

The fourth proportional to 30,811.37, 46,196.19 and 12,079.71 is: 18,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,811.37 : 46,196.19 = 12,079.71 : x
  2. Step 2: Convert to fraction form
    30,811.37/46,196.19 = 12,079.71/x
  3. Step 3: Cross multiply
    30,811.37x = 46,196.19 × 12,079.71
  4. Step 4: Simplify right side
    30,811.37x = 558,036,578.30
  5. Step 5: Solve for x
    x = 558,036,578.30/30,811.37
  6. Step 6: Final answer
    x = 18,111.39

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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.