Home / 56,676.75-85,018.64-17,236.77

Finding the Fourth Proportional to 56,676.75, 85,018.64 and 17,236.77

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Solution

The fourth proportional to 56,676.75, 85,018.64 and 17,236.77 is: 25,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,676.75 : 85,018.64 = 17,236.77 : x
  2. Step 2: Convert to fraction form
    56,676.75/85,018.64 = 17,236.77/x
  3. Step 3: Cross multiply
    56,676.75x = 85,018.64 × 17,236.77
  4. Step 4: Simplify right side
    56,676.75x = 1,465,446,657.21
  5. Step 5: Solve for x
    x = 1,465,446,657.21/56,676.75
  6. Step 6: Final answer
    x = 25,856.22

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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.