Home / 30,327.66-45,496.35-10,605.78

Finding the Fourth Proportional to 30,327.66, 45,496.35 and 10,605.78

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Solution

The fourth proportional to 30,327.66, 45,496.35 and 10,605.78 is: 15,910.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327.66 : 45,496.35 = 10,605.78 : x
  2. Step 2: Convert to fraction form
    30,327.66/45,496.35 = 10,605.78/x
  3. Step 3: Cross multiply
    30,327.66x = 45,496.35 × 10,605.78
  4. Step 4: Simplify right side
    30,327.66x = 482,524,278.90
  5. Step 5: Solve for x
    x = 482,524,278.90/30,327.66
  6. Step 6: Final answer
    x = 15,910.37

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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.