Home / 31,016.37-46,487.63-21,605.43

Finding the Fourth Proportional to 31,016.37, 46,487.63 and 21,605.43

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Solution

The fourth proportional to 31,016.37, 46,487.63 and 21,605.43 is: 32,382.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,016.37 : 46,487.63 = 21,605.43 : x
  2. Step 2: Convert to fraction form
    31,016.37/46,487.63 = 21,605.43/x
  3. Step 3: Cross multiply
    31,016.37x = 46,487.63 × 21,605.43
  4. Step 4: Simplify right side
    31,016.37x = 1,004,385,235.83
  5. Step 5: Solve for x
    x = 1,004,385,235.83/31,016.37
  6. Step 6: Final answer
    x = 32,382.42

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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.