Home / 38,179.56-57,273.27-13,219.56

Finding the Fourth Proportional to 38,179.56, 57,273.27 and 13,219.56

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Solution

The fourth proportional to 38,179.56, 57,273.27 and 13,219.56 is: 19,830.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179.56 : 57,273.27 = 13,219.56 : x
  2. Step 2: Convert to fraction form
    38,179.56/57,273.27 = 13,219.56/x
  3. Step 3: Cross multiply
    38,179.56x = 57,273.27 × 13,219.56
  4. Step 4: Simplify right side
    38,179.56x = 757,127,429.16
  5. Step 5: Solve for x
    x = 757,127,429.16/38,179.56
  6. Step 6: Final answer
    x = 19,830.70

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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.