Home / 38,162.83-57,241.36-19,431.13

Finding the Fourth Proportional to 38,162.83, 57,241.36 and 19,431.13

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Solution

The fourth proportional to 38,162.83, 57,241.36 and 19,431.13 is: 29,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,162.83 : 57,241.36 = 19,431.13 : x
  2. Step 2: Convert to fraction form
    38,162.83/57,241.36 = 19,431.13/x
  3. Step 3: Cross multiply
    38,162.83x = 57,241.36 × 19,431.13
  4. Step 4: Simplify right side
    38,162.83x = 1,112,264,307.54
  5. Step 5: Solve for x
    x = 1,112,264,307.54/38,162.83
  6. Step 6: Final answer
    x = 29,145.23

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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.