Home / 31,762.68-43,826.69-18,329.03

Finding the Fourth Proportional to 31,762.68, 43,826.69 and 18,329.03

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Solution

The fourth proportional to 31,762.68, 43,826.69 and 18,329.03 is: 25,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,762.68 : 43,826.69 = 18,329.03 : x
  2. Step 2: Convert to fraction form
    31,762.68/43,826.69 = 18,329.03/x
  3. Step 3: Cross multiply
    31,762.68x = 43,826.69 × 18,329.03
  4. Step 4: Simplify right side
    31,762.68x = 803,300,496.68
  5. Step 5: Solve for x
    x = 803,300,496.68/31,762.68
  6. Step 6: Final answer
    x = 25,290.71

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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.