Home / 30,976.12-46,445.73-12,258.82

Finding the Fourth Proportional to 30,976.12, 46,445.73 and 12,258.82

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Solution

The fourth proportional to 30,976.12, 46,445.73 and 12,258.82 is: 18,380.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976.12 : 46,445.73 = 12,258.82 : x
  2. Step 2: Convert to fraction form
    30,976.12/46,445.73 = 12,258.82/x
  3. Step 3: Cross multiply
    30,976.12x = 46,445.73 × 12,258.82
  4. Step 4: Simplify right side
    30,976.12x = 569,369,759.77
  5. Step 5: Solve for x
    x = 569,369,759.77/30,976.12
  6. Step 6: Final answer
    x = 18,380.92

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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.