Home / 43,415.35-65,125.56-16,761.49

Finding the Fourth Proportional to 43,415.35, 65,125.56 and 16,761.49

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Solution

The fourth proportional to 43,415.35, 65,125.56 and 16,761.49 is: 25,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,415.35 : 65,125.56 = 16,761.49 : x
  2. Step 2: Convert to fraction form
    43,415.35/65,125.56 = 16,761.49/x
  3. Step 3: Cross multiply
    43,415.35x = 65,125.56 × 16,761.49
  4. Step 4: Simplify right side
    43,415.35x = 1,091,601,422.68
  5. Step 5: Solve for x
    x = 1,091,601,422.68/43,415.35
  6. Step 6: Final answer
    x = 25,143.21

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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.