Home / 51,414.60-70,941.36-30,181.56

Finding the Fourth Proportional to 51,414.60, 70,941.36 and 30,181.56

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Solution

The fourth proportional to 51,414.60, 70,941.36 and 30,181.56 is: 41,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,414.60 : 70,941.36 = 30,181.56 : x
  2. Step 2: Convert to fraction form
    51,414.60/70,941.36 = 30,181.56/x
  3. Step 3: Cross multiply
    51,414.60x = 70,941.36 × 30,181.56
  4. Step 4: Simplify right side
    51,414.60x = 2,141,120,913.32
  5. Step 5: Solve for x
    x = 2,141,120,913.32/51,414.60
  6. Step 6: Final answer
    x = 41,644.22

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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.