Home / 30,826.87-46,314.15-19,755.25

Finding the Fourth Proportional to 30,826.87, 46,314.15 and 19,755.25

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Solution

The fourth proportional to 30,826.87, 46,314.15 and 19,755.25 is: 29,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,826.87 : 46,314.15 = 19,755.25 : x
  2. Step 2: Convert to fraction form
    30,826.87/46,314.15 = 19,755.25/x
  3. Step 3: Cross multiply
    30,826.87x = 46,314.15 × 19,755.25
  4. Step 4: Simplify right side
    30,826.87x = 914,947,611.79
  5. Step 5: Solve for x
    x = 914,947,611.79/30,826.87
  6. Step 6: Final answer
    x = 29,680.20

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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.