Home / 61,606.13-85,016.40-33,311.75

Finding the Fourth Proportional to 61,606.13, 85,016.40 and 33,311.75

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Solution

The fourth proportional to 61,606.13, 85,016.40 and 33,311.75 is: 45,970.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,606.13 : 85,016.40 = 33,311.75 : x
  2. Step 2: Convert to fraction form
    61,606.13/85,016.40 = 33,311.75/x
  3. Step 3: Cross multiply
    61,606.13x = 85,016.40 × 33,311.75
  4. Step 4: Simplify right side
    61,606.13x = 2,832,045,062.70
  5. Step 5: Solve for x
    x = 2,832,045,062.70/61,606.13
  6. Step 6: Final answer
    x = 45,970.18

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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.