Home / 39,383.85-54,347.56-22,385.73

Finding the Fourth Proportional to 39,383.85, 54,347.56 and 22,385.73

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Solution

The fourth proportional to 39,383.85, 54,347.56 and 22,385.73 is: 30,891.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,383.85 : 54,347.56 = 22,385.73 : x
  2. Step 2: Convert to fraction form
    39,383.85/54,347.56 = 22,385.73/x
  3. Step 3: Cross multiply
    39,383.85x = 54,347.56 × 22,385.73
  4. Step 4: Simplify right side
    39,383.85x = 1,216,609,952.16
  5. Step 5: Solve for x
    x = 1,216,609,952.16/39,383.85
  6. Step 6: Final answer
    x = 30,891.08

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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.