Home / 43,268.54-64,906.46-13,685.72

Finding the Fourth Proportional to 43,268.54, 64,906.46 and 13,685.72

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Solution

The fourth proportional to 43,268.54, 64,906.46 and 13,685.72 is: 20,529.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,268.54 : 64,906.46 = 13,685.72 : x
  2. Step 2: Convert to fraction form
    43,268.54/64,906.46 = 13,685.72/x
  3. Step 3: Cross multiply
    43,268.54x = 64,906.46 × 13,685.72
  4. Step 4: Simplify right side
    43,268.54x = 888,291,834.23
  5. Step 5: Solve for x
    x = 888,291,834.23/43,268.54
  6. Step 6: Final answer
    x = 20,529.74

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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.