Home / 38,290.74-57,436.08-11,997.54

Finding the Fourth Proportional to 38,290.74, 57,436.08 and 11,997.54

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Solution

The fourth proportional to 38,290.74, 57,436.08 and 11,997.54 is: 17,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290.74 : 57,436.08 = 11,997.54 : x
  2. Step 2: Convert to fraction form
    38,290.74/57,436.08 = 11,997.54/x
  3. Step 3: Cross multiply
    38,290.74x = 57,436.08 × 11,997.54
  4. Step 4: Simplify right side
    38,290.74x = 689,091,667.24
  5. Step 5: Solve for x
    x = 689,091,667.24/38,290.74
  6. Step 6: Final answer
    x = 17,996.30

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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.