Home / 55,379.22-83,070-19,842.85

Finding the Fourth Proportional to 55,379.22, 83,070 and 19,842.85

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Solution

The fourth proportional to 55,379.22, 83,070 and 19,842.85 is: 29,764.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,379.22 : 83,070 = 19,842.85 : x
  2. Step 2: Convert to fraction form
    55,379.22/83,070 = 19,842.85/x
  3. Step 3: Cross multiply
    55,379.22x = 83,070 × 19,842.85
  4. Step 4: Simplify right side
    55,379.22x = 1,648,345,549.50
  5. Step 5: Solve for x
    x = 1,648,345,549.50/55,379.22
  6. Step 6: Final answer
    x = 29,764.69

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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.