Home / 31,377.22-47,055.86-10,312.40

Finding the Fourth Proportional to 31,377.22, 47,055.86 and 10,312.40

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Solution

The fourth proportional to 31,377.22, 47,055.86 and 10,312.40 is: 15,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,377.22 : 47,055.86 = 10,312.40 : x
  2. Step 2: Convert to fraction form
    31,377.22/47,055.86 = 10,312.40/x
  3. Step 3: Cross multiply
    31,377.22x = 47,055.86 × 10,312.40
  4. Step 4: Simplify right side
    31,377.22x = 485,258,850.66
  5. Step 5: Solve for x
    x = 485,258,850.66/31,377.22
  6. Step 6: Final answer
    x = 15,465.32

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