Home / 41,029.90-61,520.23-18,815.45

Finding the Fourth Proportional to 41,029.90, 61,520.23 and 18,815.45

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Solution

The fourth proportional to 41,029.90, 61,520.23 and 18,815.45 is: 28,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,029.90 : 61,520.23 = 18,815.45 : x
  2. Step 2: Convert to fraction form
    41,029.90/61,520.23 = 18,815.45/x
  3. Step 3: Cross multiply
    41,029.90x = 61,520.23 × 18,815.45
  4. Step 4: Simplify right side
    41,029.90x = 1,157,530,527.47
  5. Step 5: Solve for x
    x = 1,157,530,527.47/41,029.90
  6. Step 6: Final answer
    x = 28,211.88

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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.