Home / 42,716.22-64,088.04-20,531.21

Finding the Fourth Proportional to 42,716.22, 64,088.04 and 20,531.21

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Solution

The fourth proportional to 42,716.22, 64,088.04 and 20,531.21 is: 30,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,716.22 : 64,088.04 = 20,531.21 : x
  2. Step 2: Convert to fraction form
    42,716.22/64,088.04 = 20,531.21/x
  3. Step 3: Cross multiply
    42,716.22x = 64,088.04 × 20,531.21
  4. Step 4: Simplify right side
    42,716.22x = 1,315,804,687.29
  5. Step 5: Solve for x
    x = 1,315,804,687.29/42,716.22
  6. Step 6: Final answer
    x = 30,803.40

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