Home / 35,058.09-48,386.40-20,717.31

Finding the Fourth Proportional to 35,058.09, 48,386.40 and 20,717.31

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Solution

The fourth proportional to 35,058.09, 48,386.40 and 20,717.31 is: 28,593.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,058.09 : 48,386.40 = 20,717.31 : x
  2. Step 2: Convert to fraction form
    35,058.09/48,386.40 = 20,717.31/x
  3. Step 3: Cross multiply
    35,058.09x = 48,386.40 × 20,717.31
  4. Step 4: Simplify right side
    35,058.09x = 1,002,436,048.58
  5. Step 5: Solve for x
    x = 1,002,436,048.58/35,058.09
  6. Step 6: Final answer
    x = 28,593.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.