Home / 64,521.70-96,782.38-17,141.56

Finding the Fourth Proportional to 64,521.70, 96,782.38 and 17,141.56

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Solution

The fourth proportional to 64,521.70, 96,782.38 and 17,141.56 is: 25,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,521.70 : 96,782.38 = 17,141.56 : x
  2. Step 2: Convert to fraction form
    64,521.70/96,782.38 = 17,141.56/x
  3. Step 3: Cross multiply
    64,521.70x = 96,782.38 × 17,141.56
  4. Step 4: Simplify right side
    64,521.70x = 1,659,000,688.90
  5. Step 5: Solve for x
    x = 1,659,000,688.90/64,521.70
  6. Step 6: Final answer
    x = 25,712.29

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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.