Home / 42,367.83-63,557.19-12,788.64

Finding the Fourth Proportional to 42,367.83, 63,557.19 and 12,788.64

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Solution

The fourth proportional to 42,367.83, 63,557.19 and 12,788.64 is: 19,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,367.83 : 63,557.19 = 12,788.64 : x
  2. Step 2: Convert to fraction form
    42,367.83/63,557.19 = 12,788.64/x
  3. Step 3: Cross multiply
    42,367.83x = 63,557.19 × 12,788.64
  4. Step 4: Simplify right side
    42,367.83x = 812,810,022.32
  5. Step 5: Solve for x
    x = 812,810,022.32/42,367.83
  6. Step 6: Final answer
    x = 19,184.60

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