Home / 38,068.50-57,105.45-11,769.83

Finding the Fourth Proportional to 38,068.50, 57,105.45 and 11,769.83

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Solution

The fourth proportional to 38,068.50, 57,105.45 and 11,769.83 is: 17,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,068.50 : 57,105.45 = 11,769.83 : x
  2. Step 2: Convert to fraction form
    38,068.50/57,105.45 = 11,769.83/x
  3. Step 3: Cross multiply
    38,068.50x = 57,105.45 × 11,769.83
  4. Step 4: Simplify right side
    38,068.50x = 672,121,153.05
  5. Step 5: Solve for x
    x = 672,121,153.05/38,068.50
  6. Step 6: Final answer
    x = 17,655.57

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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.