Home / 43,183.69-64,769.39-13,600.76

Finding the Fourth Proportional to 43,183.69, 64,769.39 and 13,600.76

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Solution

The fourth proportional to 43,183.69, 64,769.39 and 13,600.76 is: 20,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,183.69 : 64,769.39 = 13,600.76 : x
  2. Step 2: Convert to fraction form
    43,183.69/64,769.39 = 13,600.76/x
  3. Step 3: Cross multiply
    43,183.69x = 64,769.39 × 13,600.76
  4. Step 4: Simplify right side
    43,183.69x = 880,912,928.74
  5. Step 5: Solve for x
    x = 880,912,928.74/43,183.69
  6. Step 6: Final answer
    x = 20,399.20

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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.