Home / 30,855.73-46,252.44-12,148.90

Finding the Fourth Proportional to 30,855.73, 46,252.44 and 12,148.90

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Solution

The fourth proportional to 30,855.73, 46,252.44 and 12,148.90 is: 18,211.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855.73 : 46,252.44 = 12,148.90 : x
  2. Step 2: Convert to fraction form
    30,855.73/46,252.44 = 12,148.90/x
  3. Step 3: Cross multiply
    30,855.73x = 46,252.44 × 12,148.90
  4. Step 4: Simplify right side
    30,855.73x = 561,915,976.31
  5. Step 5: Solve for x
    x = 561,915,976.31/30,855.73
  6. Step 6: Final answer
    x = 18,211.07

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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.