Home / 45,285.48-67,941.72-21,610.80

Finding the Fourth Proportional to 45,285.48, 67,941.72 and 21,610.80

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Solution

The fourth proportional to 45,285.48, 67,941.72 and 21,610.80 is: 32,422.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,285.48 : 67,941.72 = 21,610.80 : x
  2. Step 2: Convert to fraction form
    45,285.48/67,941.72 = 21,610.80/x
  3. Step 3: Cross multiply
    45,285.48x = 67,941.72 × 21,610.80
  4. Step 4: Simplify right side
    45,285.48x = 1,468,274,922.58
  5. Step 5: Solve for x
    x = 1,468,274,922.58/45,285.48
  6. Step 6: Final answer
    x = 32,422.64

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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.