Home / 63,803.89-95,685.42-21,101.38

Finding the Fourth Proportional to 63,803.89, 95,685.42 and 21,101.38

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Solution

The fourth proportional to 63,803.89, 95,685.42 and 21,101.38 is: 31,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,803.89 : 95,685.42 = 21,101.38 : x
  2. Step 2: Convert to fraction form
    63,803.89/95,685.42 = 21,101.38/x
  3. Step 3: Cross multiply
    63,803.89x = 95,685.42 × 21,101.38
  4. Step 4: Simplify right side
    63,803.89x = 2,019,094,407.88
  5. Step 5: Solve for x
    x = 2,019,094,407.88/63,803.89
  6. Step 6: Final answer
    x = 31,645.32

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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.