Home / 43,861.08-65,784.32-15,775.44

Finding the Fourth Proportional to 43,861.08, 65,784.32 and 15,775.44

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Solution

The fourth proportional to 43,861.08, 65,784.32 and 15,775.44 is: 23,660.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,861.08 : 65,784.32 = 15,775.44 : x
  2. Step 2: Convert to fraction form
    43,861.08/65,784.32 = 15,775.44/x
  3. Step 3: Cross multiply
    43,861.08x = 65,784.32 × 15,775.44
  4. Step 4: Simplify right side
    43,861.08x = 1,037,776,593.10
  5. Step 5: Solve for x
    x = 1,037,776,593.10/43,861.08
  6. Step 6: Final answer
    x = 23,660.53

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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.