Home / 64,135.30-96,213.48-19,762.06

Finding the Fourth Proportional to 64,135.30, 96,213.48 and 19,762.06

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Solution

The fourth proportional to 64,135.30, 96,213.48 and 19,762.06 is: 29,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,135.30 : 96,213.48 = 19,762.06 : x
  2. Step 2: Convert to fraction form
    64,135.30/96,213.48 = 19,762.06/x
  3. Step 3: Cross multiply
    64,135.30x = 96,213.48 × 19,762.06
  4. Step 4: Simplify right side
    64,135.30x = 1,901,376,564.57
  5. Step 5: Solve for x
    x = 1,901,376,564.57/64,135.30
  6. Step 6: Final answer
    x = 29,646.33

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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.