Home / 31,235.40-46,801.26-21,981.96

Finding the Fourth Proportional to 31,235.40, 46,801.26 and 21,981.96

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Solution

The fourth proportional to 31,235.40, 46,801.26 and 21,981.96 is: 32,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,235.40 : 46,801.26 = 21,981.96 : x
  2. Step 2: Convert to fraction form
    31,235.40/46,801.26 = 21,981.96/x
  3. Step 3: Cross multiply
    31,235.40x = 46,801.26 × 21,981.96
  4. Step 4: Simplify right side
    31,235.40x = 1,028,783,425.27
  5. Step 5: Solve for x
    x = 1,028,783,425.27/31,235.40
  6. Step 6: Final answer
    x = 32,936.46

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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.