Home / 43,243.20-64,813.60-32,286.40

Finding the Fourth Proportional to 43,243.20, 64,813.60 and 32,286.40

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Solution

The fourth proportional to 43,243.20, 64,813.60 and 32,286.40 is: 48,391.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,243.20 : 64,813.60 = 32,286.40 : x
  2. Step 2: Convert to fraction form
    43,243.20/64,813.60 = 32,286.40/x
  3. Step 3: Cross multiply
    43,243.20x = 64,813.60 × 32,286.40
  4. Step 4: Simplify right side
    43,243.20x = 2,092,597,815.04
  5. Step 5: Solve for x
    x = 2,092,597,815.04/43,243.20
  6. Step 6: Final answer
    x = 48,391.37

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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.