Home / 64,131.84-96,208.28-19,757.60

Finding the Fourth Proportional to 64,131.84, 96,208.28 and 19,757.60

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Solution

The fourth proportional to 64,131.84, 96,208.28 and 19,757.60 is: 29,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,131.84 : 96,208.28 = 19,757.60 : x
  2. Step 2: Convert to fraction form
    64,131.84/96,208.28 = 19,757.60/x
  3. Step 3: Cross multiply
    64,131.84x = 96,208.28 × 19,757.60
  4. Step 4: Simplify right side
    64,131.84x = 1,900,844,712.93
  5. Step 5: Solve for x
    x = 1,900,844,712.93/64,131.84
  6. Step 6: Final answer
    x = 29,639.64

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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.