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Finding the Fourth Proportional to 47,315.60, 70,913.10 and 25,139.60

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Solution

The fourth proportional to 47,315.60, 70,913.10 and 25,139.60 is: 37,677.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,315.60 : 70,913.10 = 25,139.60 : x
  2. Step 2: Convert to fraction form
    47,315.60/70,913.10 = 25,139.60/x
  3. Step 3: Cross multiply
    47,315.60x = 70,913.10 × 25,139.60
  4. Step 4: Simplify right side
    47,315.60x = 1,782,726,968.76
  5. Step 5: Solve for x
    x = 1,782,726,968.76/47,315.60
  6. Step 6: Final answer
    x = 37,677.36

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