Home / 38,040.96-57,064.68-9,960.90

Finding the Fourth Proportional to 38,040.96, 57,064.68 and 9,960.90

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Solution

The fourth proportional to 38,040.96, 57,064.68 and 9,960.90 is: 14,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,040.96 : 57,064.68 = 9,960.90 : x
  2. Step 2: Convert to fraction form
    38,040.96/57,064.68 = 9,960.90/x
  3. Step 3: Cross multiply
    38,040.96x = 57,064.68 × 9,960.90
  4. Step 4: Simplify right side
    38,040.96x = 568,415,571.01
  5. Step 5: Solve for x
    x = 568,415,571.01/38,040.96
  6. Step 6: Final answer
    x = 14,942.20

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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.