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Finding the Fourth Proportional to 42.76, 64.07 and 24.74

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Solution

The fourth proportional to 42.76, 64.07 and 24.74 is: 37.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42.76 : 64.07 = 24.74 : x
  2. Step 2: Convert to fraction form
    42.76/64.07 = 24.74/x
  3. Step 3: Cross multiply
    42.76x = 64.07 × 24.74
  4. Step 4: Simplify right side
    42.76x = 1,585.09
  5. Step 5: Solve for x
    x = 1,585.09/42.76
  6. Step 6: Final answer
    x = 37.07

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