Home / 43,365.60-65,056.44-13,790.88

Finding the Fourth Proportional to 43,365.60, 65,056.44 and 13,790.88

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Solution

The fourth proportional to 43,365.60, 65,056.44 and 13,790.88 is: 20,688.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,365.60 : 65,056.44 = 13,790.88 : x
  2. Step 2: Convert to fraction form
    43,365.60/65,056.44 = 13,790.88/x
  3. Step 3: Cross multiply
    43,365.60x = 65,056.44 × 13,790.88
  4. Step 4: Simplify right side
    43,365.60x = 897,185,557.27
  5. Step 5: Solve for x
    x = 897,185,557.27/43,365.60
  6. Step 6: Final answer
    x = 20,688.88

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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.