Home / 42,871.73-64,307.01-13,289.56

Finding the Fourth Proportional to 42,871.73, 64,307.01 and 13,289.56

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Solution

The fourth proportional to 42,871.73, 64,307.01 and 13,289.56 is: 19,934.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,871.73 : 64,307.01 = 13,289.56 : x
  2. Step 2: Convert to fraction form
    42,871.73/64,307.01 = 13,289.56/x
  3. Step 3: Cross multiply
    42,871.73x = 64,307.01 × 13,289.56
  4. Step 4: Simplify right side
    42,871.73x = 854,611,867.82
  5. Step 5: Solve for x
    x = 854,611,867.82/42,871.73
  6. Step 6: Final answer
    x = 19,934.16

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