Home / 30,977.70-46,468.32-8,789.33

Finding the Fourth Proportional to 30,977.70, 46,468.32 and 8,789.33

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Solution

The fourth proportional to 30,977.70, 46,468.32 and 8,789.33 is: 13,184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,977.70 : 46,468.32 = 8,789.33 : x
  2. Step 2: Convert to fraction form
    30,977.70/46,468.32 = 8,789.33/x
  3. Step 3: Cross multiply
    30,977.70x = 46,468.32 × 8,789.33
  4. Step 4: Simplify right side
    30,977.70x = 408,425,166.68
  5. Step 5: Solve for x
    x = 408,425,166.68/30,977.70
  6. Step 6: Final answer
    x = 13,184.49

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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.