Home / 38,189.76-57,266.12-13,231.24

Finding the Fourth Proportional to 38,189.76, 57,266.12 and 13,231.24

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Solution

The fourth proportional to 38,189.76, 57,266.12 and 13,231.24 is: 19,840.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.76 : 57,266.12 = 13,231.24 : x
  2. Step 2: Convert to fraction form
    38,189.76/57,266.12 = 13,231.24/x
  3. Step 3: Cross multiply
    38,189.76x = 57,266.12 × 13,231.24
  4. Step 4: Simplify right side
    38,189.76x = 757,701,777.59
  5. Step 5: Solve for x
    x = 757,701,777.59/38,189.76
  6. Step 6: Final answer
    x = 19,840.44

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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.