Home / 38,116.80-57,168.72-10,408.32

Finding the Fourth Proportional to 38,116.80, 57,168.72 and 10,408.32

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Solution

The fourth proportional to 38,116.80, 57,168.72 and 10,408.32 is: 15,610.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,116.80 : 57,168.72 = 10,408.32 : x
  2. Step 2: Convert to fraction form
    38,116.80/57,168.72 = 10,408.32/x
  3. Step 3: Cross multiply
    38,116.80x = 57,168.72 × 10,408.32
  4. Step 4: Simplify right side
    38,116.80x = 595,030,331.75
  5. Step 5: Solve for x
    x = 595,030,331.75/38,116.80
  6. Step 6: Final answer
    x = 15,610.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.