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Finding the Fourth Proportional to 43,113.40, 64,743.90 and 23,430.40

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Solution

The fourth proportional to 43,113.40, 64,743.90 and 23,430.40 is: 35,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,113.40 : 64,743.90 = 23,430.40 : x
  2. Step 2: Convert to fraction form
    43,113.40/64,743.90 = 23,430.40/x
  3. Step 3: Cross multiply
    43,113.40x = 64,743.90 × 23,430.40
  4. Step 4: Simplify right side
    43,113.40x = 1,516,975,474.56
  5. Step 5: Solve for x
    x = 1,516,975,474.56/43,113.40
  6. Step 6: Final answer
    x = 35,185.71

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