Home / 43,326.98-64,982.28-21,118.04

Finding the Fourth Proportional to 43,326.98, 64,982.28 and 21,118.04

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Solution

The fourth proportional to 43,326.98, 64,982.28 and 21,118.04 is: 31,673.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,326.98 : 64,982.28 = 21,118.04 : x
  2. Step 2: Convert to fraction form
    43,326.98/64,982.28 = 21,118.04/x
  3. Step 3: Cross multiply
    43,326.98x = 64,982.28 × 21,118.04
  4. Step 4: Simplify right side
    43,326.98x = 1,372,298,388.33
  5. Step 5: Solve for x
    x = 1,372,298,388.33/43,326.98
  6. Step 6: Final answer
    x = 31,673.07

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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.