Home / 39,189.47-58,769.16-16,685.88

Finding the Fourth Proportional to 39,189.47, 58,769.16 and 16,685.88

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Solution

The fourth proportional to 39,189.47, 58,769.16 and 16,685.88 is: 25,022.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,189.47 : 58,769.16 = 16,685.88 : x
  2. Step 2: Convert to fraction form
    39,189.47/58,769.16 = 16,685.88/x
  3. Step 3: Cross multiply
    39,189.47x = 58,769.16 × 16,685.88
  4. Step 4: Simplify right side
    39,189.47x = 980,614,847.65
  5. Step 5: Solve for x
    x = 980,614,847.65/39,189.47
  6. Step 6: Final answer
    x = 25,022.41

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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.