Home / 40,416.28-60,638.86-20,704.12

Finding the Fourth Proportional to 40,416.28, 60,638.86 and 20,704.12

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Solution

The fourth proportional to 40,416.28, 60,638.86 and 20,704.12 is: 31,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,416.28 : 60,638.86 = 20,704.12 : x
  2. Step 2: Convert to fraction form
    40,416.28/60,638.86 = 20,704.12/x
  3. Step 3: Cross multiply
    40,416.28x = 60,638.86 × 20,704.12
  4. Step 4: Simplify right side
    40,416.28x = 1,255,474,234.10
  5. Step 5: Solve for x
    x = 1,255,474,234.10/40,416.28
  6. Step 6: Final answer
    x = 31,063.58

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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.