Home / 74,638.35-112,003.66-30,265.49

Finding the Fourth Proportional to 74,638.35, 112,003.66 and 30,265.49

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Solution

The fourth proportional to 74,638.35, 112,003.66 and 30,265.49 is: 45,416.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,638.35 : 112,003.66 = 30,265.49 : x
  2. Step 2: Convert to fraction form
    74,638.35/112,003.66 = 30,265.49/x
  3. Step 3: Cross multiply
    74,638.35x = 112,003.66 × 30,265.49
  4. Step 4: Simplify right side
    74,638.35x = 3,389,845,091.68
  5. Step 5: Solve for x
    x = 3,389,845,091.68/74,638.35
  6. Step 6: Final answer
    x = 45,416.94

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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.