Home / 31,257.20-46,890.36-9,070.70

Finding the Fourth Proportional to 31,257.20, 46,890.36 and 9,070.70

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Solution

The fourth proportional to 31,257.20, 46,890.36 and 9,070.70 is: 13,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257.20 : 46,890.36 = 9,070.70 : x
  2. Step 2: Convert to fraction form
    31,257.20/46,890.36 = 9,070.70/x
  3. Step 3: Cross multiply
    31,257.20x = 46,890.36 × 9,070.70
  4. Step 4: Simplify right side
    31,257.20x = 425,328,388.45
  5. Step 5: Solve for x
    x = 425,328,388.45/31,257.20
  6. Step 6: Final answer
    x = 13,607.37

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