Home / 38,189.55-57,270.66-13,222.90

Finding the Fourth Proportional to 38,189.55, 57,270.66 and 13,222.90

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Solution

The fourth proportional to 38,189.55, 57,270.66 and 13,222.90 is: 19,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.55 : 57,270.66 = 13,222.90 : x
  2. Step 2: Convert to fraction form
    38,189.55/57,270.66 = 13,222.90/x
  3. Step 3: Cross multiply
    38,189.55x = 57,270.66 × 13,222.90
  4. Step 4: Simplify right side
    38,189.55x = 757,284,210.11
  5. Step 5: Solve for x
    x = 757,284,210.11/38,189.55
  6. Step 6: Final answer
    x = 19,829.62

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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.