Home / 51,231.72-70,723.38-36,136.68

Finding the Fourth Proportional to 51,231.72, 70,723.38 and 36,136.68

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Solution

The fourth proportional to 51,231.72, 70,723.38 and 36,136.68 is: 49,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,231.72 : 70,723.38 = 36,136.68 : x
  2. Step 2: Convert to fraction form
    51,231.72/70,723.38 = 36,136.68/x
  3. Step 3: Cross multiply
    51,231.72x = 70,723.38 × 36,136.68
  4. Step 4: Simplify right side
    51,231.72x = 2,555,708,151.58
  5. Step 5: Solve for x
    x = 2,555,708,151.58/51,231.72
  6. Step 6: Final answer
    x = 49,885.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.