Home / 79,581.40-119,379.58-23,421.54

Finding the Fourth Proportional to 79,581.40, 119,379.58 and 23,421.54

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Solution

The fourth proportional to 79,581.40, 119,379.58 and 23,421.54 is: 35,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,581.40 : 119,379.58 = 23,421.54 : x
  2. Step 2: Convert to fraction form
    79,581.40/119,379.58 = 23,421.54/x
  3. Step 3: Cross multiply
    79,581.40x = 119,379.58 × 23,421.54
  4. Step 4: Simplify right side
    79,581.40x = 2,796,053,608.15
  5. Step 5: Solve for x
    x = 2,796,053,608.15/79,581.40
  6. Step 6: Final answer
    x = 35,134.51

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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.