Home / 35,456.05-53,138.05-14,371.43

Finding the Fourth Proportional to 35,456.05, 53,138.05 and 14,371.43

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Solution

The fourth proportional to 35,456.05, 53,138.05 and 14,371.43 is: 21,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,456.05 : 53,138.05 = 14,371.43 : x
  2. Step 2: Convert to fraction form
    35,456.05/53,138.05 = 14,371.43/x
  3. Step 3: Cross multiply
    35,456.05x = 53,138.05 × 14,371.43
  4. Step 4: Simplify right side
    35,456.05x = 763,669,504.71
  5. Step 5: Solve for x
    x = 763,669,504.71/35,456.05
  6. Step 6: Final answer
    x = 21,538.48

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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.