Home / 30,813.38-46,199.19-12,081.68

Finding the Fourth Proportional to 30,813.38, 46,199.19 and 12,081.68

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Solution

The fourth proportional to 30,813.38, 46,199.19 and 12,081.68 is: 18,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813.38 : 46,199.19 = 12,081.68 : x
  2. Step 2: Convert to fraction form
    30,813.38/46,199.19 = 12,081.68/x
  3. Step 3: Cross multiply
    30,813.38x = 46,199.19 × 12,081.68
  4. Step 4: Simplify right side
    30,813.38x = 558,163,829.84
  5. Step 5: Solve for x
    x = 558,163,829.84/30,813.38
  6. Step 6: Final answer
    x = 18,114.33

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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.