Home / 51,142.08-76,698.40-21,566.56

Finding the Fourth Proportional to 51,142.08, 76,698.40 and 21,566.56

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Solution

The fourth proportional to 51,142.08, 76,698.40 and 21,566.56 is: 32,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,142.08 : 76,698.40 = 21,566.56 : x
  2. Step 2: Convert to fraction form
    51,142.08/76,698.40 = 21,566.56/x
  3. Step 3: Cross multiply
    51,142.08x = 76,698.40 × 21,566.56
  4. Step 4: Simplify right side
    51,142.08x = 1,654,120,645.50
  5. Step 5: Solve for x
    x = 1,654,120,645.50/51,142.08
  6. Step 6: Final answer
    x = 32,343.63

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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.