Home / 38,088.08-57,139.08-11,791.04

Finding the Fourth Proportional to 38,088.08, 57,139.08 and 11,791.04

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Solution

The fourth proportional to 38,088.08, 57,139.08 and 11,791.04 is: 17,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,088.08 : 57,139.08 = 11,791.04 : x
  2. Step 2: Convert to fraction form
    38,088.08/57,139.08 = 11,791.04/x
  3. Step 3: Cross multiply
    38,088.08x = 57,139.08 × 11,791.04
  4. Step 4: Simplify right side
    38,088.08x = 673,729,177.84
  5. Step 5: Solve for x
    x = 673,729,177.84/38,088.08
  6. Step 6: Final answer
    x = 17,688.71

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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.