Home / 30,436.57-45,649.38-13,793.50

Finding the Fourth Proportional to 30,436.57, 45,649.38 and 13,793.50

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Solution

The fourth proportional to 30,436.57, 45,649.38 and 13,793.50 is: 20,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436.57 : 45,649.38 = 13,793.50 : x
  2. Step 2: Convert to fraction form
    30,436.57/45,649.38 = 13,793.50/x
  3. Step 3: Cross multiply
    30,436.57x = 45,649.38 × 13,793.50
  4. Step 4: Simplify right side
    30,436.57x = 629,664,723.03
  5. Step 5: Solve for x
    x = 629,664,723.03/30,436.57
  6. Step 6: Final answer
    x = 20,687.77

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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.