Home / 43,311.60-64,961.93-13,729.73

Finding the Fourth Proportional to 43,311.60, 64,961.93 and 13,729.73

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Solution

The fourth proportional to 43,311.60, 64,961.93 and 13,729.73 is: 20,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,311.60 : 64,961.93 = 13,729.73 : x
  2. Step 2: Convert to fraction form
    43,311.60/64,961.93 = 13,729.73/x
  3. Step 3: Cross multiply
    43,311.60x = 64,961.93 × 13,729.73
  4. Step 4: Simplify right side
    43,311.60x = 891,909,365.72
  5. Step 5: Solve for x
    x = 891,909,365.72/43,311.60
  6. Step 6: Final answer
    x = 20,592.85

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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.