Home / 56,621.88-84,927.84-19,181.16

Finding the Fourth Proportional to 56,621.88, 84,927.84 and 19,181.16

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Solution

The fourth proportional to 56,621.88, 84,927.84 and 19,181.16 is: 28,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,621.88 : 84,927.84 = 19,181.16 : x
  2. Step 2: Convert to fraction form
    56,621.88/84,927.84 = 19,181.16/x
  3. Step 3: Cross multiply
    56,621.88x = 84,927.84 × 19,181.16
  4. Step 4: Simplify right side
    56,621.88x = 1,629,014,487.49
  5. Step 5: Solve for x
    x = 1,629,014,487.49/56,621.88
  6. Step 6: Final answer
    x = 28,770.05

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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.