Home / 30,988.05-42,765.48-17,377.35

Finding the Fourth Proportional to 30,988.05, 42,765.48 and 17,377.35

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Solution

The fourth proportional to 30,988.05, 42,765.48 and 17,377.35 is: 23,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,988.05 : 42,765.48 = 17,377.35 : x
  2. Step 2: Convert to fraction form
    30,988.05/42,765.48 = 17,377.35/x
  3. Step 3: Cross multiply
    30,988.05x = 42,765.48 × 17,377.35
  4. Step 4: Simplify right side
    30,988.05x = 743,150,713.88
  5. Step 5: Solve for x
    x = 743,150,713.88/30,988.05
  6. Step 6: Final answer
    x = 23,981.85

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