Home / 30,686.04-42,362.54-18,114.84

Finding the Fourth Proportional to 30,686.04, 42,362.54 and 18,114.84

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Solution

The fourth proportional to 30,686.04, 42,362.54 and 18,114.84 is: 25,007.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,686.04 : 42,362.54 = 18,114.84 : x
  2. Step 2: Convert to fraction form
    30,686.04/42,362.54 = 18,114.84/x
  3. Step 3: Cross multiply
    30,686.04x = 42,362.54 × 18,114.84
  4. Step 4: Simplify right side
    30,686.04x = 767,390,634.09
  5. Step 5: Solve for x
    x = 767,390,634.09/30,686.04
  6. Step 6: Final answer
    x = 25,007.81

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