Home / 35,321.44-52,887.30-18,646.78

Finding the Fourth Proportional to 35,321.44, 52,887.30 and 18,646.78

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Solution

The fourth proportional to 35,321.44, 52,887.30 and 18,646.78 is: 27,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,321.44 : 52,887.30 = 18,646.78 : x
  2. Step 2: Convert to fraction form
    35,321.44/52,887.30 = 18,646.78/x
  3. Step 3: Cross multiply
    35,321.44x = 52,887.30 × 18,646.78
  4. Step 4: Simplify right side
    35,321.44x = 986,177,847.89
  5. Step 5: Solve for x
    x = 986,177,847.89/35,321.44
  6. Step 6: Final answer
    x = 27,920.09

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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.