Home / 56,489.03-84,683.21-21,453.29

Finding the Fourth Proportional to 56,489.03, 84,683.21 and 21,453.29

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Solution

The fourth proportional to 56,489.03, 84,683.21 and 21,453.29 is: 32,160.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489.03 : 84,683.21 = 21,453.29 : x
  2. Step 2: Convert to fraction form
    56,489.03/84,683.21 = 21,453.29/x
  3. Step 3: Cross multiply
    56,489.03x = 84,683.21 × 21,453.29
  4. Step 4: Simplify right side
    56,489.03x = 1,816,733,249.14
  5. Step 5: Solve for x
    x = 1,816,733,249.14/56,489.03
  6. Step 6: Final answer
    x = 32,160.82

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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.