Home / 56,676.08-85,014.19-21,136.86

Finding the Fourth Proportional to 56,676.08, 85,014.19 and 21,136.86

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Solution

The fourth proportional to 56,676.08, 85,014.19 and 21,136.86 is: 31,705.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,676.08 : 85,014.19 = 21,136.86 : x
  2. Step 2: Convert to fraction form
    56,676.08/85,014.19 = 21,136.86/x
  3. Step 3: Cross multiply
    56,676.08x = 85,014.19 × 21,136.86
  4. Step 4: Simplify right side
    56,676.08x = 1,796,933,058.46
  5. Step 5: Solve for x
    x = 1,796,933,058.46/56,676.08
  6. Step 6: Final answer
    x = 31,705.32

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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.