Home / 35,967.12-53,951.19-13,781.62

Finding the Fourth Proportional to 35,967.12, 53,951.19 and 13,781.62

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Solution

The fourth proportional to 35,967.12, 53,951.19 and 13,781.62 is: 20,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,967.12 : 53,951.19 = 13,781.62 : x
  2. Step 2: Convert to fraction form
    35,967.12/53,951.19 = 13,781.62/x
  3. Step 3: Cross multiply
    35,967.12x = 53,951.19 × 13,781.62
  4. Step 4: Simplify right side
    35,967.12x = 743,534,799.13
  5. Step 5: Solve for x
    x = 743,534,799.13/35,967.12
  6. Step 6: Final answer
    x = 20,672.63

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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.