Home / 45,956.67-68,907.33-20,651.55

Finding the Fourth Proportional to 45,956.67, 68,907.33 and 20,651.55

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Solution

The fourth proportional to 45,956.67, 68,907.33 and 20,651.55 is: 30,964.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,956.67 : 68,907.33 = 20,651.55 : x
  2. Step 2: Convert to fraction form
    45,956.67/68,907.33 = 20,651.55/x
  3. Step 3: Cross multiply
    45,956.67x = 68,907.33 × 20,651.55
  4. Step 4: Simplify right side
    45,956.67x = 1,423,043,170.86
  5. Step 5: Solve for x
    x = 1,423,043,170.86/45,956.67
  6. Step 6: Final answer
    x = 30,964.89

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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.