Home / 43,458.15-65,206.37-18,500.84

Finding the Fourth Proportional to 43,458.15, 65,206.37 and 18,500.84

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Solution

The fourth proportional to 43,458.15, 65,206.37 and 18,500.84 is: 27,759.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,458.15 : 65,206.37 = 18,500.84 : x
  2. Step 2: Convert to fraction form
    43,458.15/65,206.37 = 18,500.84/x
  3. Step 3: Cross multiply
    43,458.15x = 65,206.37 × 18,500.84
  4. Step 4: Simplify right side
    43,458.15x = 1,206,372,618.35
  5. Step 5: Solve for x
    x = 1,206,372,618.35/43,458.15
  6. Step 6: Final answer
    x = 27,759.41

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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.