Home / 51,891.75-77,782.28-22,311.90

Finding the Fourth Proportional to 51,891.75, 77,782.28 and 22,311.90

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Solution

The fourth proportional to 51,891.75, 77,782.28 and 22,311.90 is: 33,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,891.75 : 77,782.28 = 22,311.90 : x
  2. Step 2: Convert to fraction form
    51,891.75/77,782.28 = 22,311.90/x
  3. Step 3: Cross multiply
    51,891.75x = 77,782.28 × 22,311.90
  4. Step 4: Simplify right side
    51,891.75x = 1,735,470,341.57
  5. Step 5: Solve for x
    x = 1,735,470,341.57/51,891.75
  6. Step 6: Final answer
    x = 33,444.05

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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.