Home / 42,640.21-63,878.30-23,863.40

Finding the Fourth Proportional to 42,640.21, 63,878.30 and 23,863.40

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Solution

The fourth proportional to 42,640.21, 63,878.30 and 23,863.40 is: 35,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,640.21 : 63,878.30 = 23,863.40 : x
  2. Step 2: Convert to fraction form
    42,640.21/63,878.30 = 23,863.40/x
  3. Step 3: Cross multiply
    42,640.21x = 63,878.30 × 23,863.40
  4. Step 4: Simplify right side
    42,640.21x = 1,524,353,424.22
  5. Step 5: Solve for x
    x = 1,524,353,424.22/42,640.21
  6. Step 6: Final answer
    x = 35,749.20

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