Home / 35,796.62-49,393.39-20,690.68

Finding the Fourth Proportional to 35,796.62, 49,393.39 and 20,690.68

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Solution

The fourth proportional to 35,796.62, 49,393.39 and 20,690.68 is: 28,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,796.62 : 49,393.39 = 20,690.68 : x
  2. Step 2: Convert to fraction form
    35,796.62/49,393.39 = 20,690.68/x
  3. Step 3: Cross multiply
    35,796.62x = 49,393.39 × 20,690.68
  4. Step 4: Simplify right side
    35,796.62x = 1,021,982,476.18
  5. Step 5: Solve for x
    x = 1,021,982,476.18/35,796.62
  6. Step 6: Final answer
    x = 28,549.70

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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.