Home / 53,890.26-81,017.82-43,433.66

Finding the Fourth Proportional to 53,890.26, 81,017.82 and 43,433.66

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Solution

The fourth proportional to 53,890.26, 81,017.82 and 43,433.66 is: 65,297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.26 : 81,017.82 = 43,433.66 : x
  2. Step 2: Convert to fraction form
    53,890.26/81,017.82 = 43,433.66/x
  3. Step 3: Cross multiply
    53,890.26x = 81,017.82 × 43,433.66
  4. Step 4: Simplify right side
    53,890.26x = 3,518,900,042.73
  5. Step 5: Solve for x
    x = 3,518,900,042.73/53,890.26
  6. Step 6: Final answer
    x = 65,297.51

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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.