Home / 43,475.46-65,205.48-19,777.50

Finding the Fourth Proportional to 43,475.46, 65,205.48 and 19,777.50

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Solution

The fourth proportional to 43,475.46, 65,205.48 and 19,777.50 is: 29,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,475.46 : 65,205.48 = 19,777.50 : x
  2. Step 2: Convert to fraction form
    43,475.46/65,205.48 = 19,777.50/x
  3. Step 3: Cross multiply
    43,475.46x = 65,205.48 × 19,777.50
  4. Step 4: Simplify right side
    43,475.46x = 1,289,601,380.70
  5. Step 5: Solve for x
    x = 1,289,601,380.70/43,475.46
  6. Step 6: Final answer
    x = 29,662.74

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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.