Home / 31,263.51-43,147.75-17,831.68

Finding the Fourth Proportional to 31,263.51, 43,147.75 and 17,831.68

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Solution

The fourth proportional to 31,263.51, 43,147.75 and 17,831.68 is: 24,610.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263.51 : 43,147.75 = 17,831.68 : x
  2. Step 2: Convert to fraction form
    31,263.51/43,147.75 = 17,831.68/x
  3. Step 3: Cross multiply
    31,263.51x = 43,147.75 × 17,831.68
  4. Step 4: Simplify right side
    31,263.51x = 769,396,781.56
  5. Step 5: Solve for x
    x = 769,396,781.56/31,263.51
  6. Step 6: Final answer
    x = 24,610.06

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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.