Home / 30,837.80-46,254.32-8,650

Finding the Fourth Proportional to 30,837.80, 46,254.32 and 8,650

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Solution

The fourth proportional to 30,837.80, 46,254.32 and 8,650 is: 12,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,837.80 : 46,254.32 = 8,650 : x
  2. Step 2: Convert to fraction form
    30,837.80/46,254.32 = 8,650/x
  3. Step 3: Cross multiply
    30,837.80x = 46,254.32 × 8,650
  4. Step 4: Simplify right side
    30,837.80x = 400,099,868
  5. Step 5: Solve for x
    x = 400,099,868/30,837.80
  6. Step 6: Final answer
    x = 12,974.33

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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.