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Finding the Fourth Proportional to 45,786.61, 63,193.14 and 31,434.71

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Solution

The fourth proportional to 45,786.61, 63,193.14 and 31,434.71 is: 43,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,786.61 : 63,193.14 = 31,434.71 : x
  2. Step 2: Convert to fraction form
    45,786.61/63,193.14 = 31,434.71/x
  3. Step 3: Cross multiply
    45,786.61x = 63,193.14 × 31,434.71
  4. Step 4: Simplify right side
    45,786.61x = 1,986,457,803.24
  5. Step 5: Solve for x
    x = 1,986,457,803.24/45,786.61
  6. Step 6: Final answer
    x = 43,385.12

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