Home / 30,688.85-42,319.13-21,733.97

Finding the Fourth Proportional to 30,688.85, 42,319.13 and 21,733.97

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Solution

The fourth proportional to 30,688.85, 42,319.13 and 21,733.97 is: 29,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688.85 : 42,319.13 = 21,733.97 : x
  2. Step 2: Convert to fraction form
    30,688.85/42,319.13 = 21,733.97/x
  3. Step 3: Cross multiply
    30,688.85x = 42,319.13 × 21,733.97
  4. Step 4: Simplify right side
    30,688.85x = 919,762,593.18
  5. Step 5: Solve for x
    x = 919,762,593.18/30,688.85
  6. Step 6: Final answer
    x = 29,970.58

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