Home / 31,329.41-43,237.35-17,185.01

Finding the Fourth Proportional to 31,329.41, 43,237.35 and 17,185.01

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Solution

The fourth proportional to 31,329.41, 43,237.35 and 17,185.01 is: 23,716.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.41 : 43,237.35 = 17,185.01 : x
  2. Step 2: Convert to fraction form
    31,329.41/43,237.35 = 17,185.01/x
  3. Step 3: Cross multiply
    31,329.41x = 43,237.35 × 17,185.01
  4. Step 4: Simplify right side
    31,329.41x = 743,034,075.94
  5. Step 5: Solve for x
    x = 743,034,075.94/31,329.41
  6. Step 6: Final answer
    x = 23,716.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.