Home / 74,254.55-111,379.97-21,664.49

Finding the Fourth Proportional to 74,254.55, 111,379.97 and 21,664.49

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Solution

The fourth proportional to 74,254.55, 111,379.97 and 21,664.49 is: 32,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,254.55 : 111,379.97 = 21,664.49 : x
  2. Step 2: Convert to fraction form
    74,254.55/111,379.97 = 21,664.49/x
  3. Step 3: Cross multiply
    74,254.55x = 111,379.97 × 21,664.49
  4. Step 4: Simplify right side
    74,254.55x = 2,412,989,743.53
  5. Step 5: Solve for x
    x = 2,412,989,743.53/74,254.55
  6. Step 6: Final answer
    x = 32,496.19

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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.