Home / 29,120.40-43,690.05-23,912.64

Finding the Fourth Proportional to 29,120.40, 43,690.05 and 23,912.64

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Solution

The fourth proportional to 29,120.40, 43,690.05 and 23,912.64 is: 35,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.40 : 43,690.05 = 23,912.64 : x
  2. Step 2: Convert to fraction form
    29,120.40/43,690.05 = 23,912.64/x
  3. Step 3: Cross multiply
    29,120.40x = 43,690.05 × 23,912.64
  4. Step 4: Simplify right side
    29,120.40x = 1,044,744,437.23
  5. Step 5: Solve for x
    x = 1,044,744,437.23/29,120.40
  6. Step 6: Final answer
    x = 35,876.72

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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.