Home / 51,774.85-71,448.44-28,803.79

Finding the Fourth Proportional to 51,774.85, 71,448.44 and 28,803.79

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Solution

The fourth proportional to 51,774.85, 71,448.44 and 28,803.79 is: 39,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,774.85 : 71,448.44 = 28,803.79 : x
  2. Step 2: Convert to fraction form
    51,774.85/71,448.44 = 28,803.79/x
  3. Step 3: Cross multiply
    51,774.85x = 71,448.44 × 28,803.79
  4. Step 4: Simplify right side
    51,774.85x = 2,057,985,861.59
  5. Step 5: Solve for x
    x = 2,057,985,861.59/51,774.85
  6. Step 6: Final answer
    x = 39,748.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.