Home / 29,201.60-43,778.40-12,574.40

Finding the Fourth Proportional to 29,201.60, 43,778.40 and 12,574.40

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Solution

The fourth proportional to 29,201.60, 43,778.40 and 12,574.40 is: 18,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,201.60 : 43,778.40 = 12,574.40 : x
  2. Step 2: Convert to fraction form
    29,201.60/43,778.40 = 12,574.40/x
  3. Step 3: Cross multiply
    29,201.60x = 43,778.40 × 12,574.40
  4. Step 4: Simplify right side
    29,201.60x = 550,487,112.96
  5. Step 5: Solve for x
    x = 550,487,112.96/29,201.60
  6. Step 6: Final answer
    x = 18,851.27

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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.