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Finding the Fourth Proportional to 35,348.86, 53,020.54 and 20,548.34

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Solution

The fourth proportional to 35,348.86, 53,020.54 and 20,548.34 is: 30,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,348.86 : 53,020.54 = 20,548.34 : x
  2. Step 2: Convert to fraction form
    35,348.86/53,020.54 = 20,548.34/x
  3. Step 3: Cross multiply
    35,348.86x = 53,020.54 × 20,548.34
  4. Step 4: Simplify right side
    35,348.86x = 1,089,484,031.53
  5. Step 5: Solve for x
    x = 1,089,484,031.53/35,348.86
  6. Step 6: Final answer
    x = 30,820.91

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