Home / 64,173.12-96,224.43-19,787.55

Finding the Fourth Proportional to 64,173.12, 96,224.43 and 19,787.55

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Solution

The fourth proportional to 64,173.12, 96,224.43 and 19,787.55 is: 29,670.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,173.12 : 96,224.43 = 19,787.55 : x
  2. Step 2: Convert to fraction form
    64,173.12/96,224.43 = 19,787.55/x
  3. Step 3: Cross multiply
    64,173.12x = 96,224.43 × 19,787.55
  4. Step 4: Simplify right side
    64,173.12x = 1,904,045,719.85
  5. Step 5: Solve for x
    x = 1,904,045,719.85/64,173.12
  6. Step 6: Final answer
    x = 29,670.46

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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.