Home / 51,174.72-76,739.04-20,001.60

Finding the Fourth Proportional to 51,174.72, 76,739.04 and 20,001.60

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Solution

The fourth proportional to 51,174.72, 76,739.04 and 20,001.60 is: 29,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,174.72 : 76,739.04 = 20,001.60 : x
  2. Step 2: Convert to fraction form
    51,174.72/76,739.04 = 20,001.60/x
  3. Step 3: Cross multiply
    51,174.72x = 76,739.04 × 20,001.60
  4. Step 4: Simplify right side
    51,174.72x = 1,534,903,582.46
  5. Step 5: Solve for x
    x = 1,534,903,582.46/51,174.72
  6. Step 6: Final answer
    x = 29,993.39

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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.