Home / 39,743.48-54,845.84-22,747.64

Finding the Fourth Proportional to 39,743.48, 54,845.84 and 22,747.64

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Solution

The fourth proportional to 39,743.48, 54,845.84 and 22,747.64 is: 31,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,743.48 : 54,845.84 = 22,747.64 : x
  2. Step 2: Convert to fraction form
    39,743.48/54,845.84 = 22,747.64/x
  3. Step 3: Cross multiply
    39,743.48x = 54,845.84 × 22,747.64
  4. Step 4: Simplify right side
    39,743.48x = 1,247,613,423.82
  5. Step 5: Solve for x
    x = 1,247,613,423.82/39,743.48
  6. Step 6: Final answer
    x = 31,391.65

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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.