Home / 33,030.42-45,576.27-18,690.90

Finding the Fourth Proportional to 33,030.42, 45,576.27 and 18,690.90

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Solution

The fourth proportional to 33,030.42, 45,576.27 and 18,690.90 is: 25,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,030.42 : 45,576.27 = 18,690.90 : x
  2. Step 2: Convert to fraction form
    33,030.42/45,576.27 = 18,690.90/x
  3. Step 3: Cross multiply
    33,030.42x = 45,576.27 × 18,690.90
  4. Step 4: Simplify right side
    33,030.42x = 851,861,504.94
  5. Step 5: Solve for x
    x = 851,861,504.94/33,030.42
  6. Step 6: Final answer
    x = 25,790.21

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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.