Home / 30,977.24-46,465.80-8,790.83

Finding the Fourth Proportional to 30,977.24, 46,465.80 and 8,790.83

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Solution

The fourth proportional to 30,977.24, 46,465.80 and 8,790.83 is: 13,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,977.24 : 46,465.80 = 8,790.83 : x
  2. Step 2: Convert to fraction form
    30,977.24/46,465.80 = 8,790.83/x
  3. Step 3: Cross multiply
    30,977.24x = 46,465.80 × 8,790.83
  4. Step 4: Simplify right side
    30,977.24x = 408,472,907.01
  5. Step 5: Solve for x
    x = 408,472,907.01/30,977.24
  6. Step 6: Final answer
    x = 13,186.23

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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.