Home / 65,305.35-97,881.48-30,171.20

Finding the Fourth Proportional to 65,305.35, 97,881.48 and 30,171.20

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Solution

The fourth proportional to 65,305.35, 97,881.48 and 30,171.20 is: 45,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,305.35 : 97,881.48 = 30,171.20 : x
  2. Step 2: Convert to fraction form
    65,305.35/97,881.48 = 30,171.20/x
  3. Step 3: Cross multiply
    65,305.35x = 97,881.48 × 30,171.20
  4. Step 4: Simplify right side
    65,305.35x = 2,953,201,709.38
  5. Step 5: Solve for x
    x = 2,953,201,709.38/65,305.35
  6. Step 6: Final answer
    x = 45,221.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.