Home / 30,946.90-46,435.68-12,240.35

Finding the Fourth Proportional to 30,946.90, 46,435.68 and 12,240.35

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Solution

The fourth proportional to 30,946.90, 46,435.68 and 12,240.35 is: 18,366.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946.90 : 46,435.68 = 12,240.35 : x
  2. Step 2: Convert to fraction form
    30,946.90/46,435.68 = 12,240.35/x
  3. Step 3: Cross multiply
    30,946.90x = 46,435.68 × 12,240.35
  4. Step 4: Simplify right side
    30,946.90x = 568,388,975.69
  5. Step 5: Solve for x
    x = 568,388,975.69/30,946.90
  6. Step 6: Final answer
    x = 18,366.59

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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.