Home / 35,839.20-49,469.64-21,703.89

Finding the Fourth Proportional to 35,839.20, 49,469.64 and 21,703.89

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Solution

The fourth proportional to 35,839.20, 49,469.64 and 21,703.89 is: 29,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,839.20 : 49,469.64 = 21,703.89 : x
  2. Step 2: Convert to fraction form
    35,839.20/49,469.64 = 21,703.89/x
  3. Step 3: Cross multiply
    35,839.20x = 49,469.64 × 21,703.89
  4. Step 4: Simplify right side
    35,839.20x = 1,073,683,729.02
  5. Step 5: Solve for x
    x = 1,073,683,729.02/35,839.20
  6. Step 6: Final answer
    x = 29,958.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.