Home / 43,151.19-64,735.61-18,191.25

Finding the Fourth Proportional to 43,151.19, 64,735.61 and 18,191.25

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Solution

The fourth proportional to 43,151.19, 64,735.61 and 18,191.25 is: 27,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,151.19 : 64,735.61 = 18,191.25 : x
  2. Step 2: Convert to fraction form
    43,151.19/64,735.61 = 18,191.25/x
  3. Step 3: Cross multiply
    43,151.19x = 64,735.61 × 18,191.25
  4. Step 4: Simplify right side
    43,151.19x = 1,177,621,665.41
  5. Step 5: Solve for x
    x = 1,177,621,665.41/43,151.19
  6. Step 6: Final answer
    x = 27,290.60

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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.