Home / 55,667.07-76,820.94-31,138.02

Finding the Fourth Proportional to 55,667.07, 76,820.94 and 31,138.02

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Solution

The fourth proportional to 55,667.07, 76,820.94 and 31,138.02 is: 42,970.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,667.07 : 76,820.94 = 31,138.02 : x
  2. Step 2: Convert to fraction form
    55,667.07/76,820.94 = 31,138.02/x
  3. Step 3: Cross multiply
    55,667.07x = 76,820.94 × 31,138.02
  4. Step 4: Simplify right side
    55,667.07x = 2,392,051,966.14
  5. Step 5: Solve for x
    x = 2,392,051,966.14/55,667.07
  6. Step 6: Final answer
    x = 42,970.68

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