Home / 57,173.60-78,899.40-32,974.46

Finding the Fourth Proportional to 57,173.60, 78,899.40 and 32,974.46

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Solution

The fourth proportional to 57,173.60, 78,899.40 and 32,974.46 is: 45,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,173.60 : 78,899.40 = 32,974.46 : x
  2. Step 2: Convert to fraction form
    57,173.60/78,899.40 = 32,974.46/x
  3. Step 3: Cross multiply
    57,173.60x = 78,899.40 × 32,974.46
  4. Step 4: Simplify right side
    57,173.60x = 2,601,665,109.32
  5. Step 5: Solve for x
    x = 2,601,665,109.32/57,173.60
  6. Step 6: Final answer
    x = 45,504.66

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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.