Home / 31,948.22-47,920.21-13,223.45

Finding the Fourth Proportional to 31,948.22, 47,920.21 and 13,223.45

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Solution

The fourth proportional to 31,948.22, 47,920.21 and 13,223.45 is: 19,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,948.22 : 47,920.21 = 13,223.45 : x
  2. Step 2: Convert to fraction form
    31,948.22/47,920.21 = 13,223.45/x
  3. Step 3: Cross multiply
    31,948.22x = 47,920.21 × 13,223.45
  4. Step 4: Simplify right side
    31,948.22x = 633,670,587.67
  5. Step 5: Solve for x
    x = 633,670,587.67/31,948.22
  6. Step 6: Final answer
    x = 19,834.30

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