Home / 54,831.12-82,245.96-17,391.12

Finding the Fourth Proportional to 54,831.12, 82,245.96 and 17,391.12

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Solution

The fourth proportional to 54,831.12, 82,245.96 and 17,391.12 is: 26,086.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,831.12 : 82,245.96 = 17,391.12 : x
  2. Step 2: Convert to fraction form
    54,831.12/82,245.96 = 17,391.12/x
  3. Step 3: Cross multiply
    54,831.12x = 82,245.96 × 17,391.12
  4. Step 4: Simplify right side
    54,831.12x = 1,430,349,359.88
  5. Step 5: Solve for x
    x = 1,430,349,359.88/54,831.12
  6. Step 6: Final answer
    x = 26,086.45

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1.5x scale

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.