Home / 45,691.33-68,502.27-31,613.94

Finding the Fourth Proportional to 45,691.33, 68,502.27 and 31,613.94

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Solution

The fourth proportional to 45,691.33, 68,502.27 and 31,613.94 is: 47,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,691.33 : 68,502.27 = 31,613.94 : x
  2. Step 2: Convert to fraction form
    45,691.33/68,502.27 = 31,613.94/x
  3. Step 3: Cross multiply
    45,691.33x = 68,502.27 × 31,613.94
  4. Step 4: Simplify right side
    45,691.33x = 2,165,626,653.64
  5. Step 5: Solve for x
    x = 2,165,626,653.64/45,691.33
  6. Step 6: Final answer
    x = 47,396.88

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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.