Home / 51,305.40-76,885.20-35,704.80

Finding the Fourth Proportional to 51,305.40, 76,885.20 and 35,704.80

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Solution

The fourth proportional to 51,305.40, 76,885.20 and 35,704.80 is: 53,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,305.40 : 76,885.20 = 35,704.80 : x
  2. Step 2: Convert to fraction form
    51,305.40/76,885.20 = 35,704.80/x
  3. Step 3: Cross multiply
    51,305.40x = 76,885.20 × 35,704.80
  4. Step 4: Simplify right side
    51,305.40x = 2,745,170,688.96
  5. Step 5: Solve for x
    x = 2,745,170,688.96/51,305.40
  6. Step 6: Final answer
    x = 53,506.47

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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.