Home / 63,447.78-95,153.16-21,323.10

Finding the Fourth Proportional to 63,447.78, 95,153.16 and 21,323.10

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Solution

The fourth proportional to 63,447.78, 95,153.16 and 21,323.10 is: 31,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,447.78 : 95,153.16 = 21,323.10 : x
  2. Step 2: Convert to fraction form
    63,447.78/95,153.16 = 21,323.10/x
  3. Step 3: Cross multiply
    63,447.78x = 95,153.16 × 21,323.10
  4. Step 4: Simplify right side
    63,447.78x = 2,028,960,346.00
  5. Step 5: Solve for x
    x = 2,028,960,346.00/63,447.78
  6. Step 6: Final answer
    x = 31,978.43

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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.