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Finding the Fourth Proportional to 61,536.07, 84,919.81 and 33,241.76

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Solution

The fourth proportional to 61,536.07, 84,919.81 and 33,241.76 is: 45,873.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,536.07 : 84,919.81 = 33,241.76 : x
  2. Step 2: Convert to fraction form
    61,536.07/84,919.81 = 33,241.76/x
  3. Step 3: Cross multiply
    61,536.07x = 84,919.81 × 33,241.76
  4. Step 4: Simplify right side
    61,536.07x = 2,822,883,518.67
  5. Step 5: Solve for x
    x = 2,822,883,518.67/61,536.07
  6. Step 6: Final answer
    x = 45,873.64

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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.