Home / 43,740.12-65,611.18-15,662.08

Finding the Fourth Proportional to 43,740.12, 65,611.18 and 15,662.08

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Solution

The fourth proportional to 43,740.12, 65,611.18 and 15,662.08 is: 23,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,740.12 : 65,611.18 = 15,662.08 : x
  2. Step 2: Convert to fraction form
    43,740.12/65,611.18 = 15,662.08/x
  3. Step 3: Cross multiply
    43,740.12x = 65,611.18 × 15,662.08
  4. Step 4: Simplify right side
    43,740.12x = 1,027,607,550.05
  5. Step 5: Solve for x
    x = 1,027,607,550.05/43,740.12
  6. Step 6: Final answer
    x = 23,493.48

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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.