Home / 30,778.92-46,136.16-17,435.25

Finding the Fourth Proportional to 30,778.92, 46,136.16 and 17,435.25

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Solution

The fourth proportional to 30,778.92, 46,136.16 and 17,435.25 is: 26,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,778.92 : 46,136.16 = 17,435.25 : x
  2. Step 2: Convert to fraction form
    30,778.92/46,136.16 = 17,435.25/x
  3. Step 3: Cross multiply
    30,778.92x = 46,136.16 × 17,435.25
  4. Step 4: Simplify right side
    30,778.92x = 804,395,483.64
  5. Step 5: Solve for x
    x = 804,395,483.64/30,778.92
  6. Step 6: Final answer
    x = 26,134.62

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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.