Home / 39,744.72-54,854.40-22,749.60

Finding the Fourth Proportional to 39,744.72, 54,854.40 and 22,749.60

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Solution

The fourth proportional to 39,744.72, 54,854.40 and 22,749.60 is: 31,398.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,744.72 : 54,854.40 = 22,749.60 : x
  2. Step 2: Convert to fraction form
    39,744.72/54,854.40 = 22,749.60/x
  3. Step 3: Cross multiply
    39,744.72x = 54,854.40 × 22,749.60
  4. Step 4: Simplify right side
    39,744.72x = 1,247,915,658.24
  5. Step 5: Solve for x
    x = 1,247,915,658.24/39,744.72
  6. Step 6: Final answer
    x = 31,398.28

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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.