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Finding the Fourth Proportional to 61,999.56, 85,556.61 and 35,141.49

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Solution

The fourth proportional to 61,999.56, 85,556.61 and 35,141.49 is: 48,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,999.56 : 85,556.61 = 35,141.49 : x
  2. Step 2: Convert to fraction form
    61,999.56/85,556.61 = 35,141.49/x
  3. Step 3: Cross multiply
    61,999.56x = 85,556.61 × 35,141.49
  4. Step 4: Simplify right side
    61,999.56x = 3,006,586,754.75
  5. Step 5: Solve for x
    x = 3,006,586,754.75/61,999.56
  6. Step 6: Final answer
    x = 48,493.68

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1.5x scale

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.