Home / 29,105.90-43,622.31-12,446.34

Finding the Fourth Proportional to 29,105.90, 43,622.31 and 12,446.34

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Solution

The fourth proportional to 29,105.90, 43,622.31 and 12,446.34 is: 18,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105.90 : 43,622.31 = 12,446.34 : x
  2. Step 2: Convert to fraction form
    29,105.90/43,622.31 = 12,446.34/x
  3. Step 3: Cross multiply
    29,105.90x = 43,622.31 × 12,446.34
  4. Step 4: Simplify right side
    29,105.90x = 542,938,230.31
  5. Step 5: Solve for x
    x = 542,938,230.31/29,105.90
  6. Step 6: Final answer
    x = 18,653.89

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1.5x scale

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.