Home / 30,933.20-46,395.48-10,154

Finding the Fourth Proportional to 30,933.20, 46,395.48 and 10,154

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Solution

The fourth proportional to 30,933.20, 46,395.48 and 10,154 is: 15,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,933.20 : 46,395.48 = 10,154 : x
  2. Step 2: Convert to fraction form
    30,933.20/46,395.48 = 10,154/x
  3. Step 3: Cross multiply
    30,933.20x = 46,395.48 × 10,154
  4. Step 4: Simplify right side
    30,933.20x = 471,099,703.92
  5. Step 5: Solve for x
    x = 471,099,703.92/30,933.20
  6. Step 6: Final answer
    x = 15,229.58

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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.