Home / 30,052.45-41,506.43-20,475.73

Finding the Fourth Proportional to 30,052.45, 41,506.43 and 20,475.73

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Solution

The fourth proportional to 30,052.45, 41,506.43 and 20,475.73 is: 28,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,052.45 : 41,506.43 = 20,475.73 : x
  2. Step 2: Convert to fraction form
    30,052.45/41,506.43 = 20,475.73/x
  3. Step 3: Cross multiply
    30,052.45x = 41,506.43 × 20,475.73
  4. Step 4: Simplify right side
    30,052.45x = 849,874,453.94
  5. Step 5: Solve for x
    x = 849,874,453.94/30,052.45
  6. Step 6: Final answer
    x = 28,279.71

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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.