Home / 30,474.33-45,718.32-10,753.05

Finding the Fourth Proportional to 30,474.33, 45,718.32 and 10,753.05

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Solution

The fourth proportional to 30,474.33, 45,718.32 and 10,753.05 is: 16,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474.33 : 45,718.32 = 10,753.05 : x
  2. Step 2: Convert to fraction form
    30,474.33/45,718.32 = 10,753.05/x
  3. Step 3: Cross multiply
    30,474.33x = 45,718.32 × 10,753.05
  4. Step 4: Simplify right side
    30,474.33x = 491,611,380.88
  5. Step 5: Solve for x
    x = 491,611,380.88/30,474.33
  6. Step 6: Final answer
    x = 16,131.98

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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.