Home / 40,820.78-61,204.55-17,143.47

Finding the Fourth Proportional to 40,820.78, 61,204.55 and 17,143.47

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Solution

The fourth proportional to 40,820.78, 61,204.55 and 17,143.47 is: 25,704.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,820.78 : 61,204.55 = 17,143.47 : x
  2. Step 2: Convert to fraction form
    40,820.78/61,204.55 = 17,143.47/x
  3. Step 3: Cross multiply
    40,820.78x = 61,204.55 × 17,143.47
  4. Step 4: Simplify right side
    40,820.78x = 1,049,258,281.07
  5. Step 5: Solve for x
    x = 1,049,258,281.07/40,820.78
  6. Step 6: Final answer
    x = 25,704.02

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