Home / 36,456.36-54,684.54-20,862.96

Finding the Fourth Proportional to 36,456.36, 54,684.54 and 20,862.96

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Solution

The fourth proportional to 36,456.36, 54,684.54 and 20,862.96 is: 31,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,456.36 : 54,684.54 = 20,862.96 : x
  2. Step 2: Convert to fraction form
    36,456.36/54,684.54 = 20,862.96/x
  3. Step 3: Cross multiply
    36,456.36x = 54,684.54 × 20,862.96
  4. Step 4: Simplify right side
    36,456.36x = 1,140,881,370.64
  5. Step 5: Solve for x
    x = 1,140,881,370.64/36,456.36
  6. Step 6: Final answer
    x = 31,294.44

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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.