Home / 38,072.24-57,108.36-11,776.40

Finding the Fourth Proportional to 38,072.24, 57,108.36 and 11,776.40

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Solution

The fourth proportional to 38,072.24, 57,108.36 and 11,776.40 is: 17,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,072.24 : 57,108.36 = 11,776.40 : x
  2. Step 2: Convert to fraction form
    38,072.24/57,108.36 = 11,776.40/x
  3. Step 3: Cross multiply
    38,072.24x = 57,108.36 × 11,776.40
  4. Step 4: Simplify right side
    38,072.24x = 672,530,890.70
  5. Step 5: Solve for x
    x = 672,530,890.70/38,072.24
  6. Step 6: Final answer
    x = 17,664.60

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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.