Home / 57,550.55-79,432.01-38,676.74

Finding the Fourth Proportional to 57,550.55, 79,432.01 and 38,676.74

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Solution

The fourth proportional to 57,550.55, 79,432.01 and 38,676.74 is: 53,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,550.55 : 79,432.01 = 38,676.74 : x
  2. Step 2: Convert to fraction form
    57,550.55/79,432.01 = 38,676.74/x
  3. Step 3: Cross multiply
    57,550.55x = 79,432.01 × 38,676.74
  4. Step 4: Simplify right side
    57,550.55x = 3,072,171,198.45
  5. Step 5: Solve for x
    x = 3,072,171,198.45/57,550.55
  6. Step 6: Final answer
    x = 53,382.13

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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.