Home / 35,086.36-48,428.94-21,659.80

Finding the Fourth Proportional to 35,086.36, 48,428.94 and 21,659.80

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Solution

The fourth proportional to 35,086.36, 48,428.94 and 21,659.80 is: 29,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,086.36 : 48,428.94 = 21,659.80 : x
  2. Step 2: Convert to fraction form
    35,086.36/48,428.94 = 21,659.80/x
  3. Step 3: Cross multiply
    35,086.36x = 48,428.94 × 21,659.80
  4. Step 4: Simplify right side
    35,086.36x = 1,048,961,154.61
  5. Step 5: Solve for x
    x = 1,048,961,154.61/35,086.36
  6. Step 6: Final answer
    x = 29,896.55

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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.