Home / 38,476.05-57,609.81-19,969.17

Finding the Fourth Proportional to 38,476.05, 57,609.81 and 19,969.17

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Solution

The fourth proportional to 38,476.05, 57,609.81 and 19,969.17 is: 29,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,476.05 : 57,609.81 = 19,969.17 : x
  2. Step 2: Convert to fraction form
    38,476.05/57,609.81 = 19,969.17/x
  3. Step 3: Cross multiply
    38,476.05x = 57,609.81 × 19,969.17
  4. Step 4: Simplify right side
    38,476.05x = 1,150,420,089.56
  5. Step 5: Solve for x
    x = 1,150,420,089.56/38,476.05
  6. Step 6: Final answer
    x = 29,899.64

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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.