Home / 61,728.05-85,184.70-33,433.74

Finding the Fourth Proportional to 61,728.05, 85,184.70 and 33,433.74

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Solution

The fourth proportional to 61,728.05, 85,184.70 and 33,433.74 is: 46,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,728.05 : 85,184.70 = 33,433.74 : x
  2. Step 2: Convert to fraction form
    61,728.05/85,184.70 = 33,433.74/x
  3. Step 3: Cross multiply
    61,728.05x = 85,184.70 × 33,433.74
  4. Step 4: Simplify right side
    61,728.05x = 2,848,043,111.78
  5. Step 5: Solve for x
    x = 2,848,043,111.78/61,728.05
  6. Step 6: Final answer
    x = 46,138.56

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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.