Home / 43,501.25-65,190.83-18,507.49

Finding the Fourth Proportional to 43,501.25, 65,190.83 and 18,507.49

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Solution

The fourth proportional to 43,501.25, 65,190.83 and 18,507.49 is: 27,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,501.25 : 65,190.83 = 18,507.49 : x
  2. Step 2: Convert to fraction form
    43,501.25/65,190.83 = 18,507.49/x
  3. Step 3: Cross multiply
    43,501.25x = 65,190.83 × 18,507.49
  4. Step 4: Simplify right side
    43,501.25x = 1,206,518,378.80
  5. Step 5: Solve for x
    x = 1,206,518,378.80/43,501.25
  6. Step 6: Final answer
    x = 27,735.26

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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.