Home / 31,762.81-43,825.62-18,333.19

Finding the Fourth Proportional to 31,762.81, 43,825.62 and 18,333.19

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Solution

The fourth proportional to 31,762.81, 43,825.62 and 18,333.19 is: 25,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,762.81 : 43,825.62 = 18,333.19 : x
  2. Step 2: Convert to fraction form
    31,762.81/43,825.62 = 18,333.19/x
  3. Step 3: Cross multiply
    31,762.81x = 43,825.62 × 18,333.19
  4. Step 4: Simplify right side
    31,762.81x = 803,463,418.33
  5. Step 5: Solve for x
    x = 803,463,418.33/31,762.81
  6. Step 6: Final answer
    x = 25,295.73

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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.