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Finding the Fourth Proportional to 29,466.31, 40,664.37 and 16,038.44

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Solution

The fourth proportional to 29,466.31, 40,664.37 and 16,038.44 is: 22,133.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,466.31 : 40,664.37 = 16,038.44 : x
  2. Step 2: Convert to fraction form
    29,466.31/40,664.37 = 16,038.44/x
  3. Step 3: Cross multiply
    29,466.31x = 40,664.37 × 16,038.44
  4. Step 4: Simplify right side
    29,466.31x = 652,192,855.06
  5. Step 5: Solve for x
    x = 652,192,855.06/29,466.31
  6. Step 6: Final answer
    x = 22,133.51

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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.