Home / 38,299.88-57,449.82-12,004.76

Finding the Fourth Proportional to 38,299.88, 57,449.82 and 12,004.76

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Solution

The fourth proportional to 38,299.88, 57,449.82 and 12,004.76 is: 18,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,299.88 : 57,449.82 = 12,004.76 : x
  2. Step 2: Convert to fraction form
    38,299.88/57,449.82 = 12,004.76/x
  3. Step 3: Cross multiply
    38,299.88x = 57,449.82 × 12,004.76
  4. Step 4: Simplify right side
    38,299.88x = 689,671,301.14
  5. Step 5: Solve for x
    x = 689,671,301.14/38,299.88
  6. Step 6: Final answer
    x = 18,007.14

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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.