Home / 56,676.59-85,014.94-21,137.36

Finding the Fourth Proportional to 56,676.59, 85,014.94 and 21,137.36

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Solution

The fourth proportional to 56,676.59, 85,014.94 and 21,137.36 is: 31,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,676.59 : 85,014.94 = 21,137.36 : x
  2. Step 2: Convert to fraction form
    56,676.59/85,014.94 = 21,137.36/x
  3. Step 3: Cross multiply
    56,676.59x = 85,014.94 × 21,137.36
  4. Step 4: Simplify right side
    56,676.59x = 1,796,991,392.16
  5. Step 5: Solve for x
    x = 1,796,991,392.16/56,676.59
  6. Step 6: Final answer
    x = 31,706.06

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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.