Home / 58,051.22-87,065.82-20,609.78

Finding the Fourth Proportional to 58,051.22, 87,065.82 and 20,609.78

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Solution

The fourth proportional to 58,051.22, 87,065.82 and 20,609.78 is: 30,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,051.22 : 87,065.82 = 20,609.78 : x
  2. Step 2: Convert to fraction form
    58,051.22/87,065.82 = 20,609.78/x
  3. Step 3: Cross multiply
    58,051.22x = 87,065.82 × 20,609.78
  4. Step 4: Simplify right side
    58,051.22x = 1,794,406,960.39
  5. Step 5: Solve for x
    x = 1,794,406,960.39/58,051.22
  6. Step 6: Final answer
    x = 30,910.76

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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.