Home / 56,084.27-84,109.73-21,015.72

Finding the Fourth Proportional to 56,084.27, 84,109.73 and 21,015.72

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Solution

The fourth proportional to 56,084.27, 84,109.73 and 21,015.72 is: 31,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,084.27 : 84,109.73 = 21,015.72 : x
  2. Step 2: Convert to fraction form
    56,084.27/84,109.73 = 21,015.72/x
  3. Step 3: Cross multiply
    56,084.27x = 84,109.73 × 21,015.72
  4. Step 4: Simplify right side
    56,084.27x = 1,767,626,429.88
  5. Step 5: Solve for x
    x = 1,767,626,429.88/56,084.27
  6. Step 6: Final answer
    x = 31,517.33

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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.