Home / 33,096.68-45,655.08-20,974.90

Finding the Fourth Proportional to 33,096.68, 45,655.08 and 20,974.90

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Solution

The fourth proportional to 33,096.68, 45,655.08 and 20,974.90 is: 28,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,096.68 : 45,655.08 = 20,974.90 : x
  2. Step 2: Convert to fraction form
    33,096.68/45,655.08 = 20,974.90/x
  3. Step 3: Cross multiply
    33,096.68x = 45,655.08 × 20,974.90
  4. Step 4: Simplify right side
    33,096.68x = 957,610,737.49
  5. Step 5: Solve for x
    x = 957,610,737.49/33,096.68
  6. Step 6: Final answer
    x = 28,933.74

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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.