Home / 38,478.26-57,771.08-19,774.15

Finding the Fourth Proportional to 38,478.26, 57,771.08 and 19,774.15

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Solution

The fourth proportional to 38,478.26, 57,771.08 and 19,774.15 is: 29,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,478.26 : 57,771.08 = 19,774.15 : x
  2. Step 2: Convert to fraction form
    38,478.26/57,771.08 = 19,774.15/x
  3. Step 3: Cross multiply
    38,478.26x = 57,771.08 × 19,774.15
  4. Step 4: Simplify right side
    38,478.26x = 1,142,374,001.58
  5. Step 5: Solve for x
    x = 1,142,374,001.58/38,478.26
  6. Step 6: Final answer
    x = 29,688.82

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