Home / 57,523.25-79,406.58-38,671.31

Finding the Fourth Proportional to 57,523.25, 79,406.58 and 38,671.31

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Solution

The fourth proportional to 57,523.25, 79,406.58 and 38,671.31 is: 53,382.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,523.25 : 79,406.58 = 38,671.31 : x
  2. Step 2: Convert to fraction form
    57,523.25/79,406.58 = 38,671.31/x
  3. Step 3: Cross multiply
    57,523.25x = 79,406.58 × 38,671.31
  4. Step 4: Simplify right side
    57,523.25x = 3,070,756,074.19
  5. Step 5: Solve for x
    x = 3,070,756,074.19/57,523.25
  6. Step 6: Final answer
    x = 53,382.87

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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.