Home / 39,189.37-58,769.01-16,685.78

Finding the Fourth Proportional to 39,189.37, 58,769.01 and 16,685.78

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Solution

The fourth proportional to 39,189.37, 58,769.01 and 16,685.78 is: 25,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,189.37 : 58,769.01 = 16,685.78 : x
  2. Step 2: Convert to fraction form
    39,189.37/58,769.01 = 16,685.78/x
  3. Step 3: Cross multiply
    39,189.37x = 58,769.01 × 16,685.78
  4. Step 4: Simplify right side
    39,189.37x = 980,606,961.45
  5. Step 5: Solve for x
    x = 980,606,961.45/39,189.37
  6. Step 6: Final answer
    x = 25,022.27

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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.