Home / 57,291.36-79,044.35-33,401.12

Finding the Fourth Proportional to 57,291.36, 79,044.35 and 33,401.12

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Solution

The fourth proportional to 57,291.36, 79,044.35 and 33,401.12 is: 46,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,291.36 : 79,044.35 = 33,401.12 : x
  2. Step 2: Convert to fraction form
    57,291.36/79,044.35 = 33,401.12/x
  3. Step 3: Cross multiply
    57,291.36x = 79,044.35 × 33,401.12
  4. Step 4: Simplify right side
    57,291.36x = 2,640,169,819.67
  5. Step 5: Solve for x
    x = 2,640,169,819.67/57,291.36
  6. Step 6: Final answer
    x = 46,083.21

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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.