Home / 43,016.48-64,532.32-19,645.28

Finding the Fourth Proportional to 43,016.48, 64,532.32 and 19,645.28

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Solution

The fourth proportional to 43,016.48, 64,532.32 and 19,645.28 is: 29,471.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,016.48 : 64,532.32 = 19,645.28 : x
  2. Step 2: Convert to fraction form
    43,016.48/64,532.32 = 19,645.28/x
  3. Step 3: Cross multiply
    43,016.48x = 64,532.32 × 19,645.28
  4. Step 4: Simplify right side
    43,016.48x = 1,267,755,495.45
  5. Step 5: Solve for x
    x = 1,267,755,495.45/43,016.48
  6. Step 6: Final answer
    x = 29,471.39

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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.