Home / 31,112.48-46,659-13,577.60

Finding the Fourth Proportional to 31,112.48, 46,659 and 13,577.60

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Solution

The fourth proportional to 31,112.48, 46,659 and 13,577.60 is: 20,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,112.48 : 46,659 = 13,577.60 : x
  2. Step 2: Convert to fraction form
    31,112.48/46,659 = 13,577.60/x
  3. Step 3: Cross multiply
    31,112.48x = 46,659 × 13,577.60
  4. Step 4: Simplify right side
    31,112.48x = 633,517,238.40
  5. Step 5: Solve for x
    x = 633,517,238.40/31,112.48
  6. Step 6: Final answer
    x = 20,362.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.