Home / 51,164.20-76,695.42-21,589.48

Finding the Fourth Proportional to 51,164.20, 76,695.42 and 21,589.48

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Solution

The fourth proportional to 51,164.20, 76,695.42 and 21,589.48 is: 32,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,164.20 : 76,695.42 = 21,589.48 : x
  2. Step 2: Convert to fraction form
    51,164.20/76,695.42 = 21,589.48/x
  3. Step 3: Cross multiply
    51,164.20x = 76,695.42 × 21,589.48
  4. Step 4: Simplify right side
    51,164.20x = 1,655,814,236.18
  5. Step 5: Solve for x
    x = 1,655,814,236.18/51,164.20
  6. Step 6: Final answer
    x = 32,362.75

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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.