Home / 38,376.72-57,458.79-19,616.37

Finding the Fourth Proportional to 38,376.72, 57,458.79 and 19,616.37

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Solution

The fourth proportional to 38,376.72, 57,458.79 and 19,616.37 is: 29,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,376.72 : 57,458.79 = 19,616.37 : x
  2. Step 2: Convert to fraction form
    38,376.72/57,458.79 = 19,616.37/x
  3. Step 3: Cross multiply
    38,376.72x = 57,458.79 × 19,616.37
  4. Step 4: Simplify right side
    38,376.72x = 1,127,132,884.39
  5. Step 5: Solve for x
    x = 1,127,132,884.39/38,376.72
  6. Step 6: Final answer
    x = 29,370.22

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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.