Home / 38,516.11-57,773.70-12,221.08

Finding the Fourth Proportional to 38,516.11, 57,773.70 and 12,221.08

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Solution

The fourth proportional to 38,516.11, 57,773.70 and 12,221.08 is: 18,331.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,516.11 : 57,773.70 = 12,221.08 : x
  2. Step 2: Convert to fraction form
    38,516.11/57,773.70 = 12,221.08/x
  3. Step 3: Cross multiply
    38,516.11x = 57,773.70 × 12,221.08
  4. Step 4: Simplify right side
    38,516.11x = 706,057,009.60
  5. Step 5: Solve for x
    x = 706,057,009.60/38,516.11
  6. Step 6: Final answer
    x = 18,331.47

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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.