Home / 51,213.50-76,840.75-17,957.43

Finding the Fourth Proportional to 51,213.50, 76,840.75 and 17,957.43

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Solution

The fourth proportional to 51,213.50, 76,840.75 and 17,957.43 is: 26,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,213.50 : 76,840.75 = 17,957.43 : x
  2. Step 2: Convert to fraction form
    51,213.50/76,840.75 = 17,957.43/x
  3. Step 3: Cross multiply
    51,213.50x = 76,840.75 × 17,957.43
  4. Step 4: Simplify right side
    51,213.50x = 1,379,862,411.72
  5. Step 5: Solve for x
    x = 1,379,862,411.72/51,213.50
  6. Step 6: Final answer
    x = 26,943.33

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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.