Home / 51,871.46-71,581.91-29,212.65

Finding the Fourth Proportional to 51,871.46, 71,581.91 and 29,212.65

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Solution

The fourth proportional to 51,871.46, 71,581.91 and 29,212.65 is: 40,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,871.46 : 71,581.91 = 29,212.65 : x
  2. Step 2: Convert to fraction form
    51,871.46/71,581.91 = 29,212.65/x
  3. Step 3: Cross multiply
    51,871.46x = 71,581.91 × 29,212.65
  4. Step 4: Simplify right side
    51,871.46x = 2,091,097,137.10
  5. Step 5: Solve for x
    x = 2,091,097,137.10/51,871.46
  6. Step 6: Final answer
    x = 40,313.06

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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.