Home / 29,942.06-41,312.43-21,970.44

Finding the Fourth Proportional to 29,942.06, 41,312.43 and 21,970.44

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Solution

The fourth proportional to 29,942.06, 41,312.43 and 21,970.44 is: 30,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,942.06 : 41,312.43 = 21,970.44 : x
  2. Step 2: Convert to fraction form
    29,942.06/41,312.43 = 21,970.44/x
  3. Step 3: Cross multiply
    29,942.06x = 41,312.43 × 21,970.44
  4. Step 4: Simplify right side
    29,942.06x = 907,652,264.57
  5. Step 5: Solve for x
    x = 907,652,264.57/29,942.06
  6. Step 6: Final answer
    x = 30,313.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.