Home / 31,018.33-46,523.24-13,485.88

Finding the Fourth Proportional to 31,018.33, 46,523.24 and 13,485.88

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Solution

The fourth proportional to 31,018.33, 46,523.24 and 13,485.88 is: 20,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,018.33 : 46,523.24 = 13,485.88 : x
  2. Step 2: Convert to fraction form
    31,018.33/46,523.24 = 13,485.88/x
  3. Step 3: Cross multiply
    31,018.33x = 46,523.24 × 13,485.88
  4. Step 4: Simplify right side
    31,018.33x = 627,406,831.85
  5. Step 5: Solve for x
    x = 627,406,831.85/31,018.33
  6. Step 6: Final answer
    x = 20,226.97

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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.