Home / 51,722.24-71,372.64-28,752.80

Finding the Fourth Proportional to 51,722.24, 71,372.64 and 28,752.80

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Solution

The fourth proportional to 51,722.24, 71,372.64 and 28,752.80 is: 39,676.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,722.24 : 71,372.64 = 28,752.80 : x
  2. Step 2: Convert to fraction form
    51,722.24/71,372.64 = 28,752.80/x
  3. Step 3: Cross multiply
    51,722.24x = 71,372.64 × 28,752.80
  4. Step 4: Simplify right side
    51,722.24x = 2,052,163,243.39
  5. Step 5: Solve for x
    x = 2,052,163,243.39/51,722.24
  6. Step 6: Final answer
    x = 39,676.61

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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.