Home / 31,542.72-47,312.22-11,819.62

Finding the Fourth Proportional to 31,542.72, 47,312.22 and 11,819.62

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Solution

The fourth proportional to 31,542.72, 47,312.22 and 11,819.62 is: 17,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.72 : 47,312.22 = 11,819.62 : x
  2. Step 2: Convert to fraction form
    31,542.72/47,312.22 = 11,819.62/x
  3. Step 3: Cross multiply
    31,542.72x = 47,312.22 × 11,819.62
  4. Step 4: Simplify right side
    31,542.72x = 559,212,461.76
  5. Step 5: Solve for x
    x = 559,212,461.76/31,542.72
  6. Step 6: Final answer
    x = 17,728.73

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