Home / 35,418.85-53,132.17-11,717.76

Finding the Fourth Proportional to 35,418.85, 53,132.17 and 11,717.76

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Solution

The fourth proportional to 35,418.85, 53,132.17 and 11,717.76 is: 17,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.85 : 53,132.17 = 11,717.76 : x
  2. Step 2: Convert to fraction form
    35,418.85/53,132.17 = 11,717.76/x
  3. Step 3: Cross multiply
    35,418.85x = 53,132.17 × 11,717.76
  4. Step 4: Simplify right side
    35,418.85x = 622,590,016.34
  5. Step 5: Solve for x
    x = 622,590,016.34/35,418.85
  6. Step 6: Final answer
    x = 17,577.93

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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.