Home / 57,550.80-79,432.36-38,676.99

Finding the Fourth Proportional to 57,550.80, 79,432.36 and 38,676.99

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Solution

The fourth proportional to 57,550.80, 79,432.36 and 38,676.99 is: 53,382.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,550.80 : 79,432.36 = 38,676.99 : x
  2. Step 2: Convert to fraction form
    57,550.80/79,432.36 = 38,676.99/x
  3. Step 3: Cross multiply
    57,550.80x = 79,432.36 × 38,676.99
  4. Step 4: Simplify right side
    57,550.80x = 3,072,204,593.40
  5. Step 5: Solve for x
    x = 3,072,204,593.40/57,550.80
  6. Step 6: Final answer
    x = 53,382.48

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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.