Home / 39,179.24-58,769.34-11,477.80

Finding the Fourth Proportional to 39,179.24, 58,769.34 and 11,477.80

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Solution

The fourth proportional to 39,179.24, 58,769.34 and 11,477.80 is: 17,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,179.24 : 58,769.34 = 11,477.80 : x
  2. Step 2: Convert to fraction form
    39,179.24/58,769.34 = 11,477.80/x
  3. Step 3: Cross multiply
    39,179.24x = 58,769.34 × 11,477.80
  4. Step 4: Simplify right side
    39,179.24x = 674,542,730.65
  5. Step 5: Solve for x
    x = 674,542,730.65/39,179.24
  6. Step 6: Final answer
    x = 17,216.84

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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.