Home / 38,372.36-57,543.42-18,645.08

Finding the Fourth Proportional to 38,372.36, 57,543.42 and 18,645.08

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Solution

The fourth proportional to 38,372.36, 57,543.42 and 18,645.08 is: 27,960.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,372.36 : 57,543.42 = 18,645.08 : x
  2. Step 2: Convert to fraction form
    38,372.36/57,543.42 = 18,645.08/x
  3. Step 3: Cross multiply
    38,372.36x = 57,543.42 × 18,645.08
  4. Step 4: Simplify right side
    38,372.36x = 1,072,901,669.37
  5. Step 5: Solve for x
    x = 1,072,901,669.37/38,372.36
  6. Step 6: Final answer
    x = 27,960.27

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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.