Home / 71,682.45-107,520.23-29,561.85

Finding the Fourth Proportional to 71,682.45, 107,520.23 and 29,561.85

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Solution

The fourth proportional to 71,682.45, 107,520.23 and 29,561.85 is: 44,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,682.45 : 107,520.23 = 29,561.85 : x
  2. Step 2: Convert to fraction form
    71,682.45/107,520.23 = 29,561.85/x
  3. Step 3: Cross multiply
    71,682.45x = 107,520.23 × 29,561.85
  4. Step 4: Simplify right side
    71,682.45x = 3,178,496,763.42
  5. Step 5: Solve for x
    x = 3,178,496,763.42/71,682.45
  6. Step 6: Final answer
    x = 44,341.35

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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.