Home / 31,263.03-43,145.44-17,831.20

Finding the Fourth Proportional to 31,263.03, 43,145.44 and 17,831.20

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Solution

The fourth proportional to 31,263.03, 43,145.44 and 17,831.20 is: 24,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263.03 : 43,145.44 = 17,831.20 : x
  2. Step 2: Convert to fraction form
    31,263.03/43,145.44 = 17,831.20/x
  3. Step 3: Cross multiply
    31,263.03x = 43,145.44 × 17,831.20
  4. Step 4: Simplify right side
    31,263.03x = 769,334,969.73
  5. Step 5: Solve for x
    x = 769,334,969.73/31,263.03
  6. Step 6: Final answer
    x = 24,608.46

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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.