Home / 31,332.96-43,241.46-20,703.96

Finding the Fourth Proportional to 31,332.96, 43,241.46 and 20,703.96

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Solution

The fourth proportional to 31,332.96, 43,241.46 and 20,703.96 is: 28,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,332.96 : 43,241.46 = 20,703.96 : x
  2. Step 2: Convert to fraction form
    31,332.96/43,241.46 = 20,703.96/x
  3. Step 3: Cross multiply
    31,332.96x = 43,241.46 × 20,703.96
  4. Step 4: Simplify right side
    31,332.96x = 895,269,458.18
  5. Step 5: Solve for x
    x = 895,269,458.18/31,332.96
  6. Step 6: Final answer
    x = 28,572.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.