Home / 51,206.34-76,816.80-16,142.26

Finding the Fourth Proportional to 51,206.34, 76,816.80 and 16,142.26

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Solution

The fourth proportional to 51,206.34, 76,816.80 and 16,142.26 is: 24,215.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,206.34 : 76,816.80 = 16,142.26 : x
  2. Step 2: Convert to fraction form
    51,206.34/76,816.80 = 16,142.26/x
  3. Step 3: Cross multiply
    51,206.34x = 76,816.80 × 16,142.26
  4. Step 4: Simplify right side
    51,206.34x = 1,239,996,757.97
  5. Step 5: Solve for x
    x = 1,239,996,757.97/51,206.34
  6. Step 6: Final answer
    x = 24,215.69

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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.