Home / 52,408.88-72,321.84-28,535.48

Finding the Fourth Proportional to 52,408.88, 72,321.84 and 28,535.48

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Solution

The fourth proportional to 52,408.88, 72,321.84 and 28,535.48 is: 39,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,408.88 : 72,321.84 = 28,535.48 : x
  2. Step 2: Convert to fraction form
    52,408.88/72,321.84 = 28,535.48/x
  3. Step 3: Cross multiply
    52,408.88x = 72,321.84 × 28,535.48
  4. Step 4: Simplify right side
    52,408.88x = 2,063,738,418.88
  5. Step 5: Solve for x
    x = 2,063,738,418.88/52,408.88
  6. Step 6: Final answer
    x = 39,377.65

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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.