Home / 33,132.48-45,729.49-18,985.32

Finding the Fourth Proportional to 33,132.48, 45,729.49 and 18,985.32

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Solution

The fourth proportional to 33,132.48, 45,729.49 and 18,985.32 is: 26,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,132.48 : 45,729.49 = 18,985.32 : x
  2. Step 2: Convert to fraction form
    33,132.48/45,729.49 = 18,985.32/x
  3. Step 3: Cross multiply
    33,132.48x = 45,729.49 × 18,985.32
  4. Step 4: Simplify right side
    33,132.48x = 868,189,128.75
  5. Step 5: Solve for x
    x = 868,189,128.75/33,132.48
  6. Step 6: Final answer
    x = 26,203.57

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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.