Home / 64,972.56-97,471.13-20,610.48

Finding the Fourth Proportional to 64,972.56, 97,471.13 and 20,610.48

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Solution

The fourth proportional to 64,972.56, 97,471.13 and 20,610.48 is: 30,919.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,972.56 : 97,471.13 = 20,610.48 : x
  2. Step 2: Convert to fraction form
    64,972.56/97,471.13 = 20,610.48/x
  3. Step 3: Cross multiply
    64,972.56x = 97,471.13 × 20,610.48
  4. Step 4: Simplify right side
    64,972.56x = 2,008,926,672.39
  5. Step 5: Solve for x
    x = 2,008,926,672.39/64,972.56
  6. Step 6: Final answer
    x = 30,919.62

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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.