Home / 39,542.88-54,630.46-33,158.20

Finding the Fourth Proportional to 39,542.88, 54,630.46 and 33,158.20

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Solution

The fourth proportional to 39,542.88, 54,630.46 and 33,158.20 is: 45,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,542.88 : 54,630.46 = 33,158.20 : x
  2. Step 2: Convert to fraction form
    39,542.88/54,630.46 = 33,158.20/x
  3. Step 3: Cross multiply
    39,542.88x = 54,630.46 × 33,158.20
  4. Step 4: Simplify right side
    39,542.88x = 1,811,447,718.77
  5. Step 5: Solve for x
    x = 1,811,447,718.77/39,542.88
  6. Step 6: Final answer
    x = 45,809.71

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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.