Home / 65,174.19-89,919.46-36,489.62

Finding the Fourth Proportional to 65,174.19, 89,919.46 and 36,489.62

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Solution

The fourth proportional to 65,174.19, 89,919.46 and 36,489.62 is: 50,343.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,174.19 : 89,919.46 = 36,489.62 : x
  2. Step 2: Convert to fraction form
    65,174.19/89,919.46 = 36,489.62/x
  3. Step 3: Cross multiply
    65,174.19x = 89,919.46 × 36,489.62
  4. Step 4: Simplify right side
    65,174.19x = 3,281,126,926.01
  5. Step 5: Solve for x
    x = 3,281,126,926.01/65,174.19
  6. Step 6: Final answer
    x = 50,343.96

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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.