Home / 56,156.20-84,195.28-21,086.44

Finding the Fourth Proportional to 56,156.20, 84,195.28 and 21,086.44

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Solution

The fourth proportional to 56,156.20, 84,195.28 and 21,086.44 is: 31,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,156.20 : 84,195.28 = 21,086.44 : x
  2. Step 2: Convert to fraction form
    56,156.20/84,195.28 = 21,086.44/x
  3. Step 3: Cross multiply
    56,156.20x = 84,195.28 × 21,086.44
  4. Step 4: Simplify right side
    56,156.20x = 1,775,378,720.00
  5. Step 5: Solve for x
    x = 1,775,378,720.00/56,156.20
  6. Step 6: Final answer
    x = 31,615.01

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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.