Home / 30,301.41-45,472.89-10,579.96

Finding the Fourth Proportional to 30,301.41, 45,472.89 and 10,579.96

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Solution

The fourth proportional to 30,301.41, 45,472.89 and 10,579.96 is: 15,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301.41 : 45,472.89 = 10,579.96 : x
  2. Step 2: Convert to fraction form
    30,301.41/45,472.89 = 10,579.96/x
  3. Step 3: Cross multiply
    30,301.41x = 45,472.89 × 10,579.96
  4. Step 4: Simplify right side
    30,301.41x = 481,101,357.28
  5. Step 5: Solve for x
    x = 481,101,357.28/30,301.41
  6. Step 6: Final answer
    x = 15,877.19

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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.