Home / 43,320.79-64,983.48-12,158.47

Finding the Fourth Proportional to 43,320.79, 64,983.48 and 12,158.47

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Solution

The fourth proportional to 43,320.79, 64,983.48 and 12,158.47 is: 18,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,320.79 : 64,983.48 = 12,158.47 : x
  2. Step 2: Convert to fraction form
    43,320.79/64,983.48 = 12,158.47/x
  3. Step 3: Cross multiply
    43,320.79x = 64,983.48 × 12,158.47
  4. Step 4: Simplify right side
    43,320.79x = 790,099,692.08
  5. Step 5: Solve for x
    x = 790,099,692.08/43,320.79
  6. Step 6: Final answer
    x = 18,238.35

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