Home / 56,621.94-84,928.02-19,181.22

Finding the Fourth Proportional to 56,621.94, 84,928.02 and 19,181.22

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Solution

The fourth proportional to 56,621.94, 84,928.02 and 19,181.22 is: 28,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,621.94 : 84,928.02 = 19,181.22 : x
  2. Step 2: Convert to fraction form
    56,621.94/84,928.02 = 19,181.22/x
  3. Step 3: Cross multiply
    56,621.94x = 84,928.02 × 19,181.22
  4. Step 4: Simplify right side
    56,621.94x = 1,629,023,035.78
  5. Step 5: Solve for x
    x = 1,629,023,035.78/56,621.94
  6. Step 6: Final answer
    x = 28,770.17

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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.