Home / 51,553.56-71,149.82-28,898.67

Finding the Fourth Proportional to 51,553.56, 71,149.82 and 28,898.67

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Solution

The fourth proportional to 51,553.56, 71,149.82 and 28,898.67 is: 39,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,553.56 : 71,149.82 = 28,898.67 : x
  2. Step 2: Convert to fraction form
    51,553.56/71,149.82 = 28,898.67/x
  3. Step 3: Cross multiply
    51,553.56x = 71,149.82 × 28,898.67
  4. Step 4: Simplify right side
    51,553.56x = 2,056,135,024.25
  5. Step 5: Solve for x
    x = 2,056,135,024.25/51,553.56
  6. Step 6: Final answer
    x = 39,883.47

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1.5x scale

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.