Home / 39,383.34-54,346.84-22,385.22

Finding the Fourth Proportional to 39,383.34, 54,346.84 and 22,385.22

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Solution

The fourth proportional to 39,383.34, 54,346.84 and 22,385.22 is: 30,890.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,383.34 : 54,346.84 = 22,385.22 : x
  2. Step 2: Convert to fraction form
    39,383.34/54,346.84 = 22,385.22/x
  3. Step 3: Cross multiply
    39,383.34x = 54,346.84 × 22,385.22
  4. Step 4: Simplify right side
    39,383.34x = 1,216,565,969.70
  5. Step 5: Solve for x
    x = 1,216,565,969.70/39,383.34
  6. Step 6: Final answer
    x = 30,890.37

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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.