Home / 39,540.87-54,627.69-33,156.19

Finding the Fourth Proportional to 39,540.87, 54,627.69 and 33,156.19

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Solution

The fourth proportional to 39,540.87, 54,627.69 and 33,156.19 is: 45,806.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,540.87 : 54,627.69 = 33,156.19 : x
  2. Step 2: Convert to fraction form
    39,540.87/54,627.69 = 33,156.19/x
  3. Step 3: Cross multiply
    39,540.87x = 54,627.69 × 33,156.19
  4. Step 4: Simplify right side
    39,540.87x = 1,811,246,068.90
  5. Step 5: Solve for x
    x = 1,811,246,068.90/39,540.87
  6. Step 6: Final answer
    x = 45,806.94

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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.