Home / 43,560.90-65,353.76-21,380.94

Finding the Fourth Proportional to 43,560.90, 65,353.76 and 21,380.94

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Solution

The fourth proportional to 43,560.90, 65,353.76 and 21,380.94 is: 32,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,560.90 : 65,353.76 = 21,380.94 : x
  2. Step 2: Convert to fraction form
    43,560.90/65,353.76 = 21,380.94/x
  3. Step 3: Cross multiply
    43,560.90x = 65,353.76 × 21,380.94
  4. Step 4: Simplify right side
    43,560.90x = 1,397,324,821.33
  5. Step 5: Solve for x
    x = 1,397,324,821.33/43,560.90
  6. Step 6: Final answer
    x = 32,077.50

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1.5x scale

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.