Home / 38,290.96-57,446.08-11,995.92

Finding the Fourth Proportional to 38,290.96, 57,446.08 and 11,995.92

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Solution

The fourth proportional to 38,290.96, 57,446.08 and 11,995.92 is: 17,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290.96 : 57,446.08 = 11,995.92 : x
  2. Step 2: Convert to fraction form
    38,290.96/57,446.08 = 11,995.92/x
  3. Step 3: Cross multiply
    38,290.96x = 57,446.08 × 11,995.92
  4. Step 4: Simplify right side
    38,290.96x = 689,118,579.99
  5. Step 5: Solve for x
    x = 689,118,579.99/38,290.96
  6. Step 6: Final answer
    x = 17,996.90

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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.