Home / 31,088.78-42,902.52-16,941.63

Finding the Fourth Proportional to 31,088.78, 42,902.52 and 16,941.63

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Solution

The fourth proportional to 31,088.78, 42,902.52 and 16,941.63 is: 23,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,088.78 : 42,902.52 = 16,941.63 : x
  2. Step 2: Convert to fraction form
    31,088.78/42,902.52 = 16,941.63/x
  3. Step 3: Cross multiply
    31,088.78x = 42,902.52 × 16,941.63
  4. Step 4: Simplify right side
    31,088.78x = 726,838,619.91
  5. Step 5: Solve for x
    x = 726,838,619.91/31,088.78
  6. Step 6: Final answer
    x = 23,379.45

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