Home / 40,384.46-60,589.10-20,676.86

Finding the Fourth Proportional to 40,384.46, 60,589.10 and 20,676.86

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Solution

The fourth proportional to 40,384.46, 60,589.10 and 20,676.86 is: 31,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,384.46 : 60,589.10 = 20,676.86 : x
  2. Step 2: Convert to fraction form
    40,384.46/60,589.10 = 20,676.86/x
  3. Step 3: Cross multiply
    40,384.46x = 60,589.10 × 20,676.86
  4. Step 4: Simplify right side
    40,384.46x = 1,252,792,338.23
  5. Step 5: Solve for x
    x = 1,252,792,338.23/40,384.46
  6. Step 6: Final answer
    x = 31,021.64

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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.