Home / 31,098.74-46,622.79-14,469.30

Finding the Fourth Proportional to 31,098.74, 46,622.79 and 14,469.30

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Solution

The fourth proportional to 31,098.74, 46,622.79 and 14,469.30 is: 21,692.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,098.74 : 46,622.79 = 14,469.30 : x
  2. Step 2: Convert to fraction form
    31,098.74/46,622.79 = 14,469.30/x
  3. Step 3: Cross multiply
    31,098.74x = 46,622.79 × 14,469.30
  4. Step 4: Simplify right side
    31,098.74x = 674,599,135.35
  5. Step 5: Solve for x
    x = 674,599,135.35/31,098.74
  6. Step 6: Final answer
    x = 21,692.17

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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.