Home / 43,534.72-65,299.92-12,365.92

Finding the Fourth Proportional to 43,534.72, 65,299.92 and 12,365.92

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Solution

The fourth proportional to 43,534.72, 65,299.92 and 12,365.92 is: 18,548.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,534.72 : 65,299.92 = 12,365.92 : x
  2. Step 2: Convert to fraction form
    43,534.72/65,299.92 = 12,365.92/x
  3. Step 3: Cross multiply
    43,534.72x = 65,299.92 × 12,365.92
  4. Step 4: Simplify right side
    43,534.72x = 807,493,586.73
  5. Step 5: Solve for x
    x = 807,493,586.73/43,534.72
  6. Step 6: Final answer
    x = 18,548.27

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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.