Home / 51,821.44-77,723.90-18,535.30

Finding the Fourth Proportional to 51,821.44, 77,723.90 and 18,535.30

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Solution

The fourth proportional to 51,821.44, 77,723.90 and 18,535.30 is: 27,800.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,821.44 : 77,723.90 = 18,535.30 : x
  2. Step 2: Convert to fraction form
    51,821.44/77,723.90 = 18,535.30/x
  3. Step 3: Cross multiply
    51,821.44x = 77,723.90 × 18,535.30
  4. Step 4: Simplify right side
    51,821.44x = 1,440,635,803.67
  5. Step 5: Solve for x
    x = 1,440,635,803.67/51,821.44
  6. Step 6: Final answer
    x = 27,800.00

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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.