Home / 34,851.18-47,985.36-30,758.78

Finding the Fourth Proportional to 34,851.18, 47,985.36 and 30,758.78

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Solution

The fourth proportional to 34,851.18, 47,985.36 and 30,758.78 is: 42,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,851.18 : 47,985.36 = 30,758.78 : x
  2. Step 2: Convert to fraction form
    34,851.18/47,985.36 = 30,758.78/x
  3. Step 3: Cross multiply
    34,851.18x = 47,985.36 × 30,758.78
  4. Step 4: Simplify right side
    34,851.18x = 1,475,971,131.46
  5. Step 5: Solve for x
    x = 1,475,971,131.46/34,851.18
  6. Step 6: Final answer
    x = 42,350.68

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