Home / 42,378.10-63,489.65-19,847.43

Finding the Fourth Proportional to 42,378.10, 63,489.65 and 19,847.43

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Solution

The fourth proportional to 42,378.10, 63,489.65 and 19,847.43 is: 29,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,378.10 : 63,489.65 = 19,847.43 : x
  2. Step 2: Convert to fraction form
    42,378.10/63,489.65 = 19,847.43/x
  3. Step 3: Cross multiply
    42,378.10x = 63,489.65 × 19,847.43
  4. Step 4: Simplify right side
    42,378.10x = 1,260,106,284.86
  5. Step 5: Solve for x
    x = 1,260,106,284.86/42,378.10
  6. Step 6: Final answer
    x = 29,734.85

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