Home / 30,790.94-46,239.17-19,014.38

Finding the Fourth Proportional to 30,790.94, 46,239.17 and 19,014.38

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Solution

The fourth proportional to 30,790.94, 46,239.17 and 19,014.38 is: 28,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,790.94 : 46,239.17 = 19,014.38 : x
  2. Step 2: Convert to fraction form
    30,790.94/46,239.17 = 19,014.38/x
  3. Step 3: Cross multiply
    30,790.94x = 46,239.17 × 19,014.38
  4. Step 4: Simplify right side
    30,790.94x = 879,209,103.35
  5. Step 5: Solve for x
    x = 879,209,103.35/30,790.94
  6. Step 6: Final answer
    x = 28,554.15

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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.