Home / 30,976.13-46,447.72-12,255.41

Finding the Fourth Proportional to 30,976.13, 46,447.72 and 12,255.41

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Solution

The fourth proportional to 30,976.13, 46,447.72 and 12,255.41 is: 18,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976.13 : 46,447.72 = 12,255.41 : x
  2. Step 2: Convert to fraction form
    30,976.13/46,447.72 = 12,255.41/x
  3. Step 3: Cross multiply
    30,976.13x = 46,447.72 × 12,255.41
  4. Step 4: Simplify right side
    30,976.13x = 569,235,852.17
  5. Step 5: Solve for x
    x = 569,235,852.17/30,976.13
  6. Step 6: Final answer
    x = 18,376.60

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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.