Home / 30,744.68-46,128.15-10,757.12

Finding the Fourth Proportional to 30,744.68, 46,128.15 and 10,757.12

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Solution

The fourth proportional to 30,744.68, 46,128.15 and 10,757.12 is: 16,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,744.68 : 46,128.15 = 10,757.12 : x
  2. Step 2: Convert to fraction form
    30,744.68/46,128.15 = 10,757.12/x
  3. Step 3: Cross multiply
    30,744.68x = 46,128.15 × 10,757.12
  4. Step 4: Simplify right side
    30,744.68x = 496,205,814.29
  5. Step 5: Solve for x
    x = 496,205,814.29/30,744.68
  6. Step 6: Final answer
    x = 16,139.57

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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.