Home / 51,457.44-71,011.92-30,237.12

Finding the Fourth Proportional to 51,457.44, 71,011.92 and 30,237.12

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Solution

The fourth proportional to 51,457.44, 71,011.92 and 30,237.12 is: 41,727.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,457.44 : 71,011.92 = 30,237.12 : x
  2. Step 2: Convert to fraction form
    51,457.44/71,011.92 = 30,237.12/x
  3. Step 3: Cross multiply
    51,457.44x = 71,011.92 × 30,237.12
  4. Step 4: Simplify right side
    51,457.44x = 2,147,195,946.47
  5. Step 5: Solve for x
    x = 2,147,195,946.47/51,457.44
  6. Step 6: Final answer
    x = 41,727.61

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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.