Home / 51,536.38-71,104.04-28,872.30

Finding the Fourth Proportional to 51,536.38, 71,104.04 and 28,872.30

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Solution

The fourth proportional to 51,536.38, 71,104.04 and 28,872.30 is: 39,834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,536.38 : 71,104.04 = 28,872.30 : x
  2. Step 2: Convert to fraction form
    51,536.38/71,104.04 = 28,872.30/x
  3. Step 3: Cross multiply
    51,536.38x = 71,104.04 × 28,872.30
  4. Step 4: Simplify right side
    51,536.38x = 2,052,937,174.09
  5. Step 5: Solve for x
    x = 2,052,937,174.09/51,536.38
  6. Step 6: Final answer
    x = 39,834.72

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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.