Home / 51,167.36-76,762.56-20,011.52

Finding the Fourth Proportional to 51,167.36, 76,762.56 and 20,011.52

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Solution

The fourth proportional to 51,167.36, 76,762.56 and 20,011.52 is: 30,021.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,167.36 : 76,762.56 = 20,011.52 : x
  2. Step 2: Convert to fraction form
    51,167.36/76,762.56 = 20,011.52/x
  3. Step 3: Cross multiply
    51,167.36x = 76,762.56 × 20,011.52
  4. Step 4: Simplify right side
    51,167.36x = 1,536,135,504.69
  5. Step 5: Solve for x
    x = 1,536,135,504.69/51,167.36
  6. Step 6: Final answer
    x = 30,021.79

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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.