Home / 43,150.19-64,734.11-18,190.25

Finding the Fourth Proportional to 43,150.19, 64,734.11 and 18,190.25

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Solution

The fourth proportional to 43,150.19, 64,734.11 and 18,190.25 is: 27,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,150.19 : 64,734.11 = 18,190.25 : x
  2. Step 2: Convert to fraction form
    43,150.19/64,734.11 = 18,190.25/x
  3. Step 3: Cross multiply
    43,150.19x = 64,734.11 × 18,190.25
  4. Step 4: Simplify right side
    43,150.19x = 1,177,529,366.23
  5. Step 5: Solve for x
    x = 1,177,529,366.23/43,150.19
  6. Step 6: Final answer
    x = 27,289.09

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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.