Home / 39,170.90-58,742.38-14,204.48

Finding the Fourth Proportional to 39,170.90, 58,742.38 and 14,204.48

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Solution

The fourth proportional to 39,170.90, 58,742.38 and 14,204.48 is: 21,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,170.90 : 58,742.38 = 14,204.48 : x
  2. Step 2: Convert to fraction form
    39,170.90/58,742.38 = 14,204.48/x
  3. Step 3: Cross multiply
    39,170.90x = 58,742.38 × 14,204.48
  4. Step 4: Simplify right side
    39,170.90x = 834,404,961.86
  5. Step 5: Solve for x
    x = 834,404,961.86/39,170.90
  6. Step 6: Final answer
    x = 21,301.65

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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.