Home / 30,867.93-46,305.32-12,145.50

Finding the Fourth Proportional to 30,867.93, 46,305.32 and 12,145.50

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Solution

The fourth proportional to 30,867.93, 46,305.32 and 12,145.50 is: 18,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,867.93 : 46,305.32 = 12,145.50 : x
  2. Step 2: Convert to fraction form
    30,867.93/46,305.32 = 12,145.50/x
  3. Step 3: Cross multiply
    30,867.93x = 46,305.32 × 12,145.50
  4. Step 4: Simplify right side
    30,867.93x = 562,401,203.33
  5. Step 5: Solve for x
    x = 562,401,203.33/30,867.93
  6. Step 6: Final answer
    x = 18,219.60

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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.