Home / 64,135.22-96,212.40-19,758.26

Finding the Fourth Proportional to 64,135.22, 96,212.40 and 19,758.26

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Solution

The fourth proportional to 64,135.22, 96,212.40 and 19,758.26 is: 29,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,135.22 : 96,212.40 = 19,758.26 : x
  2. Step 2: Convert to fraction form
    64,135.22/96,212.40 = 19,758.26/x
  3. Step 3: Cross multiply
    64,135.22x = 96,212.40 × 19,758.26
  4. Step 4: Simplify right side
    64,135.22x = 1,900,989,614.42
  5. Step 5: Solve for x
    x = 1,900,989,614.42/64,135.22
  6. Step 6: Final answer
    x = 29,640.34

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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.