Home / 35,997.40-54,003.30-12,640.24

Finding the Fourth Proportional to 35,997.40, 54,003.30 and 12,640.24

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Solution

The fourth proportional to 35,997.40, 54,003.30 and 12,640.24 is: 18,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,997.40 : 54,003.30 = 12,640.24 : x
  2. Step 2: Convert to fraction form
    35,997.40/54,003.30 = 12,640.24/x
  3. Step 3: Cross multiply
    35,997.40x = 54,003.30 × 12,640.24
  4. Step 4: Simplify right side
    35,997.40x = 682,614,672.79
  5. Step 5: Solve for x
    x = 682,614,672.79/35,997.40
  6. Step 6: Final answer
    x = 18,962.89

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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.