Home / 30,433.20-45,649.44-10,711.68

Finding the Fourth Proportional to 30,433.20, 45,649.44 and 10,711.68

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Solution

The fourth proportional to 30,433.20, 45,649.44 and 10,711.68 is: 16,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,433.20 : 45,649.44 = 10,711.68 : x
  2. Step 2: Convert to fraction form
    30,433.20/45,649.44 = 10,711.68/x
  3. Step 3: Cross multiply
    30,433.20x = 45,649.44 × 10,711.68
  4. Step 4: Simplify right side
    30,433.20x = 488,982,193.46
  5. Step 5: Solve for x
    x = 488,982,193.46/30,433.20
  6. Step 6: Final answer
    x = 16,067.39

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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.