Home / 56,821.02-85,234.89-17,380.86

Finding the Fourth Proportional to 56,821.02, 85,234.89 and 17,380.86

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Solution

The fourth proportional to 56,821.02, 85,234.89 and 17,380.86 is: 26,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,821.02 : 85,234.89 = 17,380.86 : x
  2. Step 2: Convert to fraction form
    56,821.02/85,234.89 = 17,380.86/x
  3. Step 3: Cross multiply
    56,821.02x = 85,234.89 × 17,380.86
  4. Step 4: Simplify right side
    56,821.02x = 1,481,455,690.21
  5. Step 5: Solve for x
    x = 1,481,455,690.21/56,821.02
  6. Step 6: Final answer
    x = 26,072.32

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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.