Home / 55,851.24-77,072.76-30,700.56

Finding the Fourth Proportional to 55,851.24, 77,072.76 and 30,700.56

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Solution

The fourth proportional to 55,851.24, 77,072.76 and 30,700.56 is: 42,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,851.24 : 77,072.76 = 30,700.56 : x
  2. Step 2: Convert to fraction form
    55,851.24/77,072.76 = 30,700.56/x
  3. Step 3: Cross multiply
    55,851.24x = 77,072.76 × 30,700.56
  4. Step 4: Simplify right side
    55,851.24x = 2,366,176,892.75
  5. Step 5: Solve for x
    x = 2,366,176,892.75/55,851.24
  6. Step 6: Final answer
    x = 42,365.70

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