Home / 56,305.56-84,419.40-28,195.32

Finding the Fourth Proportional to 56,305.56, 84,419.40 and 28,195.32

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Solution

The fourth proportional to 56,305.56, 84,419.40 and 28,195.32 is: 42,273.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,305.56 : 84,419.40 = 28,195.32 : x
  2. Step 2: Convert to fraction form
    56,305.56/84,419.40 = 28,195.32/x
  3. Step 3: Cross multiply
    56,305.56x = 84,419.40 × 28,195.32
  4. Step 4: Simplify right side
    56,305.56x = 2,380,231,997.21
  5. Step 5: Solve for x
    x = 2,380,231,997.21/56,305.56
  6. Step 6: Final answer
    x = 42,273.48

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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.