Home / 51,817.27-77,700.34-21,826.03

Finding the Fourth Proportional to 51,817.27, 77,700.34 and 21,826.03

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Solution

The fourth proportional to 51,817.27, 77,700.34 and 21,826.03 is: 32,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,817.27 : 77,700.34 = 21,826.03 : x
  2. Step 2: Convert to fraction form
    51,817.27/77,700.34 = 21,826.03/x
  3. Step 3: Cross multiply
    51,817.27x = 77,700.34 × 21,826.03
  4. Step 4: Simplify right side
    51,817.27x = 1,695,889,951.85
  5. Step 5: Solve for x
    x = 1,695,889,951.85/51,817.27
  6. Step 6: Final answer
    x = 32,728.28

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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.