Home / 64,579.38-96,869.37-19,601.12

Finding the Fourth Proportional to 64,579.38, 96,869.37 and 19,601.12

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Solution

The fourth proportional to 64,579.38, 96,869.37 and 19,601.12 is: 29,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,579.38 : 96,869.37 = 19,601.12 : x
  2. Step 2: Convert to fraction form
    64,579.38/96,869.37 = 19,601.12/x
  3. Step 3: Cross multiply
    64,579.38x = 96,869.37 × 19,601.12
  4. Step 4: Simplify right side
    64,579.38x = 1,898,748,606.78
  5. Step 5: Solve for x
    x = 1,898,748,606.78/64,579.38
  6. Step 6: Final answer
    x = 29,401.78

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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.