Home / 54,861.77-82,289.91-19,324.85

Finding the Fourth Proportional to 54,861.77, 82,289.91 and 19,324.85

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Solution

The fourth proportional to 54,861.77, 82,289.91 and 19,324.85 is: 28,986.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,861.77 : 82,289.91 = 19,324.85 : x
  2. Step 2: Convert to fraction form
    54,861.77/82,289.91 = 19,324.85/x
  3. Step 3: Cross multiply
    54,861.77x = 82,289.91 × 19,324.85
  4. Step 4: Simplify right side
    54,861.77x = 1,590,240,167.26
  5. Step 5: Solve for x
    x = 1,590,240,167.26/54,861.77
  6. Step 6: Final answer
    x = 28,986.31

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1.5x scale

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.