Home / 31,442.48-43,377.81-17,827.65

Finding the Fourth Proportional to 31,442.48, 43,377.81 and 17,827.65

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Solution

The fourth proportional to 31,442.48, 43,377.81 and 17,827.65 is: 24,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.48 : 43,377.81 = 17,827.65 : x
  2. Step 2: Convert to fraction form
    31,442.48/43,377.81 = 17,827.65/x
  3. Step 3: Cross multiply
    31,442.48x = 43,377.81 × 17,827.65
  4. Step 4: Simplify right side
    31,442.48x = 773,324,108.42
  5. Step 5: Solve for x
    x = 773,324,108.42/31,442.48
  6. Step 6: Final answer
    x = 24,594.89

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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.